Jack O'Mural

Jack O'Mural Explaining what your body is trying to tell you, simply and honestly

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That “PEBBLE IN YOUR SHOE” Feeling May Not Be A Shoe Problem 🦶🫢You take your shoe offNothing is thereBut every step stil...
09/06/2026

That “PEBBLE IN YOUR SHOE” Feeling May Not Be A Shoe Problem 🦶🫢

You take your shoe off

Nothing is there

But every step still feels like you're walking on a tiny pebble.

That classic sensation can be a clue to Morton’s neuroma a painful condition involving an interdigital nerve in the forefoot.

Despite the name, it isn't a true tumour. It usually involves irritation, thickening, and fibrotic changes around the nerve, most often in the 3rd intermetatarsal space, between the third and fourth toes.

The symptoms can be surprisingly specific:

→ Burning or sharp pain in the ball of the foot
→ Tingling or numbness spreading into nearby toes
→ A “pebble,” “lump” or folded-sock sensation
→ Symptoms that become worse in tight or narrow shoes
→ Pain aggravated by walking, running, or prolonged forefoot loading

And here's the important part:

Not every pain in the ball of your foot is Morton’s neuroma.

Other possibilities include metatarsalgia, stress fracture, plantar-plate injury, MTP-joint problems, Freiberg disease, and other nerve disorders.

A clinician may use Mulder’s test during examination. It can reproduce the patient's familiar pain and sometimes produce a palpable or audible click but a positive test alone doesn't confirm the diagnosis.

For many people, treatment starts with reducing pressure on the nerve:

✓ Wider, comfortable footwear
✓ Avoiding narrow toe boxes and excessive forefoot compression
✓ Temporary activity/load modification when needed
✓ Metatarsal pads or orthotic support in selected cases
✓ Rehabilitation based on the individual problem

If symptoms persist, a clinician may consider imaging such as ultrasound or MRI, injections, or in selected cases surgery.

The takeaway?

If forefoot pain is burning, tingling, radiating into the toes, and noticeably worse in tight shoes, don't automatically blame the metatarsals.

Sometimes the “pebble in your shoe” is actually your interdigital nerve asking for attention.

Every Grain of Table Salt Has Either Been Underground Since Before Mammals Existed👉 Your Salt Comes Mostly From One of T...
09/05/2026

Every Grain of Table Salt Has Either Been Underground Since Before Mammals Existed

👉 Your Salt Comes Mostly From One of Two Places :

And the journey from either one to your kitchen is more interesting than you'd expect.

Rock salt is mined from ancient seabeds buried hundreds of meters underground, some of them over 250 million years old. Miners blast or cut into the halite deposits, then crush and refine the crystals. The best grades are ground into table salt. Lower grades handle road de-icing and water softening.

Sea salt is simpler in concept but slower in practice. Ocean water is channeled into shallow ponds and left to the sun and wind. As water evaporates, salt crystals form on the surface. Workers rake them up, wash away impurities, and dry them. The whole process can take months depending on the climate.

Here's what most people don't realize. Sea salt and rock salt are chemically almost identical. Both are roughly 97% sodium chloride. The difference you taste comes from trace minerals left behind in sea salt, magnesium and calcium mostly, which give it that slight briny edge. Rock salt is usually purer, which is why it dissolves cleaner in a soup or on a steak.

One is ancient geology. The other is patience and weather.

Both end up in the same shaker.

Think Your Ferment Is Working? These Signs Say Otherwise 🫙🦠👇Fermentation doesn't always look dramatic but if your jar sh...
09/05/2026

Think Your Ferment Is Working? These Signs Say Otherwise 🫙🦠👇

Fermentation doesn't always look dramatic but if your jar shows absolutely nothing, something may be wrong.

Here are a few signs to watch for:

→ No activity after several days: No bubbles, fizz, pressure, or other changes can point to an inactive or weak culture, especially in fermented drinks.

→ Nothing changes at all: Fermented foods often develop changes in aroma, texture, cloudiness, or sediment as microorganisms become active. But appearance varies by recipe, so a perfectly clear jar isn't automatically a failure.

→ Your second fermentation stays completely flat: With kombucha or naturally carbonated drinks, little or no fizz can mean the culture isn't producing enough CO₂ or there isn't enough fermentable sugar available.

→ The smell turns unpleasant instead of developing gradually: A healthy ferment usually develops a characteristic sour, tangy, or ye**ty aroma. A sudden rotten, putrid, or otherwise clearly abnormal smell is a reason to stop rather than taste it.

And here's the important part:

Don't judge fermentation by bubbles alone. Different ferments behave differently, and some produce very little visible activity.

If something smells rotten, grows unexpected mold, or looks seriously abnormal, don't try to rescue it by tasting it. Discard it.

Good fermentation isn't about making the jar look exciting.

It's about creating the right conditions for the right microorganisms to thrive.

Can you tell approx time by watching the sun and moon? And does anyone in your family know how to do it?
09/04/2026

Can you tell approx time by watching the sun and moon? And does anyone in your family know how to do it?

How Can This Tiny Stove Produce THAT Much Heat With So Little Wood? 🪵It looks like a simple metal box, but the shape is ...
09/03/2026

How Can This Tiny Stove Produce THAT Much Heat With So Little Wood? 🪵

It looks like a simple metal box, but the shape is doing most of the work.

This is a rocket stove and its secret is the tall, insulated combustion chamber.

Here’s what happens:

1️⃣ Wood burns at the bottom
The fire heats the chamber and creates a strong upward draft.

2️⃣ Air gets pulled in
As hot gases rise, fresh air is drawn toward the fire, helping the wood burn more efficiently.

3️⃣ Heat is concentrated
The narrow, insulated chamber keeps the combustion zone hot instead of letting heat spread in every direction.

4️⃣ Hot gases rise directly to the cooking surface
That concentrated heat is why a surprisingly small amount of wood can produce a powerful cooking flame.

The big advantage?

👉 High heat from small pieces of wood
👉 Efficient combustion when properly designed and operated
👉 Less smoke can be produced when the fire gets hot and the fuel burns more completely

But there's a catch

A rocket stove still needs good airflow, dry fuel, and proper design. Poorly built or poorly operated stoves can produce plenty of smoke and carbon monoxide. And because the metal gets extremely hot, burns and fire hazards are real.

So the magic isn't the flame

It's the airflow + insulation + combustion chamber working together.

Tiny stove. Huge draft.

09/02/2026

Your Body Wants Rhythm

Sleep at random times

Eat at random times

Work at random times

Scroll until midnight

Then expect perfect hormones and energy

Did you know if plastic had never been invented, elephants might have gone extinct today? 🐘 🎱The invention of one of the...
09/02/2026

Did you know if plastic had never been invented, elephants might have gone extinct today? 🐘 🎱

The invention of one of the world's first commercially successful plastics was partly driven by a shortage of elephant ivory

In the 19th century, billiards was hugely popular in Europe and America. Quality billiard balls were commonly made from elephant ivory, and the growing demand put enormous pressure on elephant populations.

👉 By 1863, the ivory shortage had become serious enough that a New York billiard-ball manufacturer offered a $10,000 reward for a practical substitute.

An American inventor named John Wesley Hyatt took up the challenge.

His experiments eventually led him to cellulose nitrate, also known as guncotton, and he discovered that combining it with camphor and processing it with heat and pressure produced a hard, moldable material that could imitate ivory.

He called it celluloid

Hyatt never actually received the $10,000 prize, but his invention became one of the world's first commercially successful plastics and opened the door to a huge range of new products.

Celluloid was soon used for billiard balls, combs, buttons, photographic film, decorative objects, and much more.

👉 But there was a catch 🤔

Celluloid was made from cellulose nitrate, so it was highly flammable. Early celluloid billiard balls could even produce a surprisingly loud crack when struck hard. Hyatt himself recalled an incident in which two balls made a sound like a small explosion, reportedly sending everyone in the room reaching for their guns.

So this early "miracle material" had a strange weakness:

It was revolutionary, but it could also catch fire easily.

Later plastics such as Bakelite, PVC, polyethylene, and nylon would make plastics far more versatile and transform modern manufacturing.

And it all began, in part, with a surprisingly simple problem:

How do you make a billiard ball without using an elephant?

That question helped launch an entirely new era of materials science.

Adults should generally aim for 25 to 38 grams of dietary fiber per day, depending on their age and gender 👇This post ra...
08/30/2026

Adults should generally aim for 25 to 38 grams of dietary fiber per day, depending on their age and gender 👇

This post rates common foods by their approximate fiber content, so you can see which ones are actually worth adding to your diet.

Let’s make your fiber choices smarter:

1. Cucumber

4/10
About 0.5 to 1 g of fiber per 100 g.
Mostly water, so it is great for hydration, but not a major fiber source.

2. Apple with skin

10/10
About 2 to 3 g of fiber per 100 g, and roughly 4 g in a medium apple.
The skin contributes valuable fiber, so wash it well and keep the peel.

3. Whole-grain bread

7/10
Unlike the misleading “brown bread” idea, fiber depends on the actual ingredients.
Check the label for whole wheat or whole grain as a main ingredient and compare the fiber per serving.

4. Oats

9/10
About 10 g of fiber per 100 g dry oats.
They also provide beta-glucan, a soluble fiber associated with helping lower LDL cholesterol.

5. Banana

6/10
About 2 to 3 g of fiber per 100 g.
An easy everyday source, especially when you want something simple with breakfast.

6. Raspberries

10/10
About 6.5 g of fiber per 100 g.
An easy high-fiber fruit to add to yogurt, oatmeal, or smoothies.

7. Kidney beans & chickpeas

10/10
Roughly 6 to 8 g of fiber per 100 g cooked.
Add them to salads, soups, chili or grain bowls for an easy fiber boost.

8. Pears

7/10
Pears are one of the highest-fiber fruits native to the Europe, packing about 3.1g of fiber per 100g

9. Chia seeds
10/10
About 34 g of fiber per 100 g, although normal portions are much smaller.
Add a spoonful to yogurt, oatmeal or a smoothie for an easy fiber upgrade.

Why this matters

You do not need one “superfood” to get enough fiber.

A few simple choices throughout the day, such as oats at breakfast, an apple with the skin, beans at lunch and chia in yogurt, can make a big difference.

And remember, packaged foods can vary considerably, so check the Nutrition Facts label rather than trusting the color or marketing on the front.

According to the Academy of Nutrition and Dietetics, daily fiber goals break down into these standard targets :

▪️Men (Ages 19–50): 38 grams per day
▪️Men (Ages 51 and older): 30 grams per day
▪️Women (Ages 19–50): 25 grams per day
▪️Women (Ages 51 and older): 21 grams per day

Alternatively, a general guideline is to consume about 14 grams of fiber for every 1,000 calories you eat.

Save this 📍

The best fiber source is usually the one you can actually eat consistently.

Avoiding Protein Because Of High Uric Acid? Read This First 👇Many doctors also advise against eating protein when you ha...
08/29/2026

Avoiding Protein Because Of High Uric Acid? Read This First 👇

Many doctors also advise against eating protein when you have high uric acid

👉 Uric acid is a normal waste product. Your body makes it when it breaks down purines, which are chemical compounds found in your body cells and certain foods.

Healthy kidneys filter this waste out through your urine. When your body makes too much or fails to clear enough, levels rise.

👉 High uric acid ( hyperuricemia →an excess of uric acid in the blood) causes sharp crystals to form in your tissues, leading to painful conditions like gout or kidney stones.

👉 When we eat any protein-rich food, the body breaks that protein down into amino acids. Then, through various biological reactions, the body metabolizes these amino acids.

From these metabolized amino acids, urea is formed in the liver which is a waste product. The kidneys flush this urea out of the body through urine.

So dietary protein metabolism forms urea, not uric acid.

There can be multiple reasons for increased uric acid in the body:

▪️First overconsumption of purine-rich foods like red meat, organ meat, seafood, mushrooms, and alcoholic drinks (especially b**r)

▪️Second regular consumption of ultra-processed foods, especially those containing high-fructose corn syrup, like soft drinks, cakes, and bakery items.

Besides this genetics, any pre-existing liver or kidney issues, or metabolic diseases like obesity and diabetes can also lead to elevated uric acid levels.

When uric acid levels increase, the risk of kidney stones and gout rises not from eating protein.

And this is exactly what research has confirmed :

protein-rich foods that are also low in purines like dairy, whey, eggs, and chicken do not significantly increase uric acid levels.

Hope this helps 🫡

On calculators, the numbers go from bottom to topBut on phones, the same numbers are arranged in reverse from top to bot...
08/29/2026

On calculators, the numbers go from bottom to top

But on phones, the same numbers are arranged in reverse from top to bottom

👉 Why is this arrangement different?

The calculator's number arrangement is the older one.

▪️When mechanical adding machines or cash registers were being made, small numbers were placed at the bottom just as a convention.

When new electronic calculators started arriving, professionals who were already familiar with the older machines were so used to this arrangement that changing it wasn't practical.

So calculators followed this arrangement, and even today's calculators follow the same layout.

▪️But phones had a different problem

When Bell Labs was making push-button telephones, there's a popular (but unconfirmed) story that accountants typed numbers so fast on calculators that if the telephone system had the same arrangement, their inputs wouldn't register properly.

Bell Labs tested many possible arrangements like 2x5 diagonals, circular, and rectangular layouts. Among these, the 3x3 grid was a very strong option. Even in 1955, experiments were conducted with 300 people. Participants were asked if you were given blank buttons, which number would you expect on which button?

Normally, people expected numbers the same way they read top to bottom and left to right, just like most languages are read.

👉 Considering performance, preference, and practical design this layout was finalized.

Today, almost all calculators even the numpad on keyboards have numbers going from bottom to top.

While the phone dialer has numbers from top to bottom.

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