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Doctor insights on: What Are Sirtuins And How Do They Impact The Aging Process

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What are sirtuins and how do they impact the aging process?

What are sirtuins and how do they impact the aging process?

Proteins under study: From studies in yeast, sirtuins (sir2 proteins) are believed to have some effects on aging, on cell death, on stress resistance (such as in situations of food scarcity), etc... Researchers are trying to find out if there are anti-aging effects in mammals. Some believe resveratrol activates a sirtuin and possibly extends lifespan, but so far research with mammals has not shown any such benefit. ...Read more

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Do some research on pleurisy, peritonitis and pericarditis. What are these conditions and how do they affect homeostasis in the body?

Do some research on pleurisy, peritonitis and pericarditis. What are these conditions and how do they affect homeostasis in the body?

Inflammation: All these conditions share a common pathology: inflammation of covering layers of reesopective organs. Effects on homeostasis is too broad to answer here. Your question should be precise, not too broad. ...Read more

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If prions are not alive and have no DNA how could we tell if they are damaging nerve cells in the brain and body and what causes prions to damage us?

If prions are not alive and have no DNA how could we tell if they are damaging nerve cells in the brain and body and what causes prions to damage us?

Change in shape: Prions appear to damage cell proteins by twisting them into unnatural configurations that accumulate in the cells and disrupt normal function. ...Read more

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What exactly are anabolic steroids? What are they, how do they work in the body, and which sports people use them?

What exactly are anabolic steroids? What are they, how do they work in the body, and which sports people use them?

They are chemicals: that are produced by the body, more in males than in females, including testosterone and a bunch of similar steroid molecules (like DHEA), which increase during puberty in males (less so in girls) to increase muscle mass, change distribution of fat/muscle, and cause sexual maturation. Synthetics have been made that mostly increase muscle mass. They are dangerous &cause liver and mental problems. ...Read more

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My brain is the most important organ to me. People tend to forget about it but what are some ways to improve my mental health for the better?

My brain is the most important organ to me. People tend to forget about it but what are some ways to improve my mental health for the better?

Balanced living: To improve general mental health, i recommend balanced living that includes a nutritious diet (to extent possible, try to avoid processed foods), 80 to 100 ounces of water each day, regular exercise, spending time with compatible friends, pursuing your dreams, regular meditation, keeping a diary, avoiding drug and alcohol abuse, and reading the four agreements and other inspiring books. ...Read more

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I've heard there are certain habits that worsen the degree of myopia (nearsightedness). What are these habits and what I do do decrease the degree?

I've heard there are certain habits that worsen the degree of myopia (nearsightedness). What are these habits and what I do do decrease the degree?

There may be some: There have been some studies showing that children who use night lights, perform excessive near tasks, and spend few hours outside, have an increased chance of becoming myopic. That being said, it does not necessarily lead to nearsightedness. ...Read more

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Do you understand how amyloid or other plaques are formed in the brain?

Do you understand how amyloid or other plaques are formed in the brain?

Nobel Prize: Lot of research on this, but no definitive answer. As soon as we understand this we will begin preventing it and some drug company will make a fortune. ...Read more

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How can we prevent xerophthalmia and what are the health teachings to avoid these disease?

How can we prevent xerophthalmia and what are the health teachings to avoid these disease?

Vitamin A: Hi Melissa588 Some dry eyes are the result of major diseases that happen to affect tear production, but one major cause is too little vitamin A in the diet. Taking a vitamin A supplement (WHO has reccomentations) can prevent this kind. Otherwise, the treatment is basically artificial tears, and treatment of the underlying disease (usually something like rheumatoid arthritis). Hope this helps. ...Read more

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How well can we read the structure of the stem cells used for creating white blood cells? And what tools do we have to change this structure?

How well can we read the structure of the stem cells used for creating white blood cells? And what tools do we have to change this structure?

Most of the experts: on this HealthTap site are practicing physicians with expertise in clinical medicine. I, as a clinical internal medicine specialist, am not able to answer this question. Possibly there is someone on the site who has this expertise and can share it with you. Alternatively, you need to identify molecular genetics expertise elsewhere. Good luck and good wishes:) ...Read more

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Why the moste part of the people who smoke weed are too thin? That plant can accelerate yout metabolism?

Why the moste part of the people who smoke weed are too thin? That plant can accelerate yout metabolism?

Not sure that: Is true. It does not accelerate metabolism but maybe the people you know smoke. Weed instead of eating and just don't eat enough calories ...Read more

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What do doctors think of the recent discovery of the glymphatic system? What are known ways to improve the performance of that organ system?

What do doctors think of the recent discovery of the glymphatic system? What are known ways to improve the performance of that organ system?

Interesting: That's why I like medicine, there are always new things to discover or re-evaluation of things we thought we knew. Glymphatics have to do with the nervous system. Nervous system health advice includes the things that are good for general health (eat right, exercise, sleep, minimize stress) and USE of the brain. ...Read more

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What are the some treatments of post-traumatic stress disorder and how well do they work?

Dr. TRUC DAO Dr. DAO
6 doctors agreed:
What are the some treatments of post-traumatic stress disorder and how well do they work?

PTSD treatment: Medications combined with psychotherapy, and emdr=emdr is most specifically made for ptsd and is very efficient. ...Read more

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How much time does the symptoms of HIV need to start showing in the body? And what are they?

How much time does the symptoms of HIV need to start showing in the body? And what are they?

Early as 2-4 weeks: People newly infected with HIV can see symptoms of "the worst flu ever" within 2-4 weeks of infection. Fever, sore throat, swollen glands, fatigue, rash, headache, body pains. Not everyone gets sick like this however. Sometimes it can take up to 10 years after infection to have these symptoms. If you are having unprotected sex you should get tested for HIV regularly and use condoms regularly. ...Read more

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What are the major vitamins, and what part of the body do they affect?

What are the major vitamins, and what part of the body do they affect?

See below: That is impossible to answer in this format - too much information. Go to a medical book or website such as http://www.nlm.nih.gov/medlineplus/ency/article/002399.htm ...Read more

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What happens to our vitamins after they are broken down in the body?

What happens to our vitamins after they are broken down in the body?

They are not broken: They are used in body chemistry and excreted in the urine ...Read more