Magazine Science

10/06/2022

According to (S. Beveridge et al., 2008) in their article Immune-enhancing role of vitamin C and zinc and effect on clinical conditions Vitamin C levels in plasma and white blood cells rapidly decrease during infections and stress.

Vitamin C supplementation enhances components of the human immune system such as anti-microbial and natural killer (NK) cell activities, lymphocyte proliferation, chemotaxis and delayed hypersensitivity.

Vitamin C contributes to the maintenance of the redox integrity of cells and thereby protects them from reactive oxygen species generated during the respiratory burst and inflammatory response.

Similarly, zinc deficiency affects cellular mediators of innate immunity such as phagocytosis, NK cell activity and generation of the oxidative burst. Hence, both nutrients play significant and complementary roles in immune function and modulation of body resistance to infectious agents, thereby reducing the risk, severity and duration of infectious diseases. and duration of infectious diseases. Deficiency of either of these essential nutrients impairs immunity, with vitamin C being crucial for cellular immunity A large number of randomized controlled intervention trials with intakes of 1 g of vitamin C and 30 mg of Zn have been conducted. These trials suggest that adequate intakes of vitamin C and Zn help improve symptoms and shorten the duration of respiratory tract infections, including common infections. symptoms and shorten the duration of respiratory tract infections, including the common cold. Natural defenses can only provide complete protection if the body has enough Zn.



Full article: https://www.magazinescience.com/en/biology/zinc-vitamin-c-synergy-and-immune-function/

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"An immune cell (neutrophil) hunting down a bacterium among red blood cells". (Filmed through a microscope by David Rogers.)

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There are approximately 3.8·1013 single-celled microorganisms for every single “reference man” weighing 140 pounds, and their total mass is about 200 grams (ncbi.nlm.nih.gov). Intestinal microbiota aids in the breakdown of food products into absorbable nutrients, stimulates the host immune syst...

30/04/2019

Deep sleep can be defined as the phase of slow sleep that precedes the onset of REM sleep (Rapid Eye Movement Sleep). When sleep becomes deep, the frequency of brain waves decreases, as does body temperature, breathing frequency, pulse or blood pressure. The individual goes through several stages to...

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Drug Toxicity DB is a comprehensive, freely accessible Android application containing information on +11,200 drugs (including structure, CAS ID, description, classification, indications, toxicity and mechanism of action). Drug Toxicity DB combines detailed drug chemical and pharmacological data.

Available on Google Play Store : http://bit.ly/2ENb9So
Amazon App Store : https://amzn.to/2z7ZTtT

31/08/2018

“This is what happiness looks like...literally.
What you see is a myosin protein dragging an endorphin along a filament to the inner part of the brain's parietal cortex which creates happiness. You're looking at happiness.”

By Physics-Astronomy.com

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Incredible Albert Einstein 3D portrait with amazing face details by LotusArt.de

05/04/2018

04/04/2018

Flakka (α-PVP), like other psychostimulants, can cause hyperstimulation, paranoia, and hallucinations. It has been reported to be the cause, or a significant contributory cause of death in suicides and overdoses caused by combinations of drugs. α-PVP has also been linked to at least one death with pulmonary edema and moderately advanced atherosclerotic coronary disease when it was combined with pentedrone.

α-PVP acts as a norepinephrine-dopamine reuptake inhibitor with IC50 values of 14.2 and 12.8 nM, respectively, similar to its methylenedioxy derivative MDPV.

α-PVP is a Schedule I drug in New Mexico, Delaware, Florida, Oklahoma, and Virginia. On January 28, 2014, the U.S. DEA listed it, along with nine other synthetic cathinones, on the Schedule 1 with a temporary ban, effective February 27, 2014. The temporary ban was then extended.

Analytical Toxicology

29/03/2018

Soon, MagazineScience YouTube Channel.

https://www.youtube.com/channel/UCTQeIksx8OjNob4IcFP7Dsw