Antioxidants prevent chronic diseases like heart disease?

We thought so.. So we knew that oxidative stress is a key factor in cancers and other disease processes. So naturally we thought, lets load patients with antioxidants to prevent that. We did studies and it showed antioxidants have no effect. Which means there's a lot more to it than the oxidation issue. So although logic says antioxidants are good, we just don't have definitive proof of it.

Related Questions

How do antioxidants prevent chronic diseases such as cancer, heart disease, and macular degeneration?

Maybe. For macular degeneration - free radicals appear to play a significant role. There is currently a prevention arm of the areds which is looking at supplements in preventing the progression of macular degeneration. It's often better to eat a good diet, exercise and reduce other risk factors than take supplements. Oh yes, please don't smoke! Read more...
Oxidative stress. We know oxidative stress can cause changes in cells and become cancerous. So logic would say, antioxidants would prevent cancer.But unfortunately studies to this day have yet to prove antioxidants do anything to prevent cancer. This needs to be investigated further. Read more...

What are the means by which antioxidants prevent of chronic diseases such as cancer, heart disease, and macular degeneration?

Do they? Re: cancer -- pre-clinical evidence supported supplements such as anti-oxidants as "chemo-preventive" interventions to decrease the risk of cancer. However, the test tube (in vitro) predictions did not work in humans (in vivo) in a number of studies including vit e, beta carotene in lung cancer, various supplements in head/neck cancer & selenium in lung/prostate. Humans are complicated. Read more...
They don't. There's a whole lot of conspiracy-mongering going around these days that somehow the pharmaceutical and health care industries are suppressing some "magic bullets" that can prevent all of these diseases. If this were true, i don't know a doctor who wouldn't immediately shout it from the roof-top and get all of their patients on the stuff. Read more...

Can taking herbs and minerals prevent heart disease?

Herbal treatment CAD. While there are anecdotal reports of protective benefits of holistic therapies, little exists in terms of definitive evidence by randomized controlled trials to show their value. Holistic strategies with herbs/vitamins are regarded by the fda as a form of food. As such they can be sold merely after demonstrating safety with ingestion. They do not have to prove that they do what they claim. Read more...

How can you prevent heart disease from an early age?

See details. Eat a heart healthy diet, exercise regularly, control your weight, control risk factors such as hypertension or elevated lipids and never use any tobacco products. Read more...

How does laughter help to prevent heart disease?

Hmm. laughter is good for you in general. No, there are no studies that show that it lowers your risk of heart disease but who cares - it's good to laugh. Heck, maybe it helps lower your BP or something. Enjoy life. . Read more...

Must I exercise daily to prevent a heart disease?

See Dr./not have to. Exercise can reduce the risk of heart disease but you do not have to do it every day. Your heart works better, and your blood vessels and lungs are more used to exerting extra effort. Just walking can help greatly. It also improves blood pressure, another serious issue that can result in heart disease, as well as stroke.. See your doctor to be sure of how much you can/should do. Read more...

What diet will prevent the progression of heart disease?

Somewhat. Diet with modification of fat intake, coupled with exercise can help slow heart disease progression. To say it can prevent it is probably stretching things. However, there is no question that regular exercise coupled with good diet habits and a physician's guidance imo can clearly improve one's cardiac disease status. I believe considerable research exists to back up that statement. Read more...
Avoid toxic foods . Avoid sugars, fried foods, vegatable oils like canola & soy, meats that are cured wth nitrates & nitrites, aspartame, splenda, partially hydrogenated vegetable oils, maragarine, soy based products, sweetened beverages like juice & soda, microwaved foods, artificial colors & flavors. All of these products cause damage to the cells, tissues & organs in your body contributing to various diseases. Read more...

Heart disease prevention apps available yet?

Absolutely. My centre for prevention does it all. Log on to www.Drernie.Co.Cc. Read more...
TryPersonalMedicine+. Mobile Health games can help. Physicians recommend water, increased veggie intake and walking 10k steps a day. Changing your behavior is HARD! Here is a health game that will help! Commit to tracking your nutrition and weighing in weekly. Losing just 10 pounds can reverse diabetic state. https://itunes.apple.com/us/app/personal-medicine+/id846379884?m. Read more...