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Articles sur Free radicals

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Valentina G / Shutterstock

A century of research shows eating these compounds can help protect against heart disease and Alzheimer’s

They’re in your wine, tea and all the plants we eat. Polyphenols can benefit our health in many different ways, some of which are still yet to be discovered.
Indigenous cultures possess ancestral knowledge and an in-depth understanding of plants that deserves to be recognized, preserved and promoted for the benefit of society as a whole. (Olivier Fradette)

Plants of the boreal forest: Using traditional Indigenous medicine to create modern treatments

New scientific discoveries are being made by drawing on Indigenous peoples’ ancestral knowledge about medicinal plants.
Telomeres (red) at the ends of chromosomes protect your DNA from damage. Thomas Ried/NCI Center for Cancer Research, National Cancer Institute, National Institutes of Health via Flickr

Cells become zombies when the ends of their chromosomes are damaged – a tactic both helpful and harmful for health

The protective caps at the ends of chromosomes naturally shorten over time. Researchers found that direct damage can prematurely trigger senescence and contribute to age-related diseases like cancer.
Exercise has many benefits, including boosting defenses against complications that occur during SARS-CoV-2 infections. Julien McRoberts / Getty Images

Exercise may help reduce risk of deadly COVID-19 complication: ARDS

The health benefits of exercise for our mind and body are well documented. But did you know that exercise could lower the risks of the most dangerous COVID-19 complication?
At a molecular level, stresses and strains can make your body clock break into a sprint. Lightspring/Shutterstock

Tick, tock… how stress speeds up your chromosomes’ ageing clock

Emerging evidence suggests that prolonged stress exposure can accelerate the ticking rate of an internal cellular clock. By doing so, stress can contribute to faster ageing and body deterioration.
A vitamin E acetate sample during a tour of the Medical Marijuana Laboratory of Organic and Analytical Chemistry at the Wadsworth Center in Albany, New York on Nov. 4, 2019. Hans Pennink/AP Photo

Vitamin E and vaping injuries: What’s safe in your diet is rarely safe in your lungs

A form of vitamin E could be behind recent vaping illnesses and death, as the vitamin was not meant to go into the lungs. Lax oversight of products and supplements only worsens the situation.
A telomere age test kit from Telomere Diagnostics Inc. and saliva. collection kit from 23andMe. Anna Hoychuk/Shutterstock.com

DNA testing companies offer telomere testing – but what does it tell you about aging and disease risk?

Genetic testing companies are offering tests that analyze the ends of your chromosomes – telomeres – to gauge your health and your real age. But is there scientific evidence to support such tests?
Fruits and vegetables can fight free radicals. Via Shutterstock. From www.shutterstock.com

13 ways to get more antioxidants (and why you need to)

We hear about the benefits of antioxidants, but who knows what they really do? Actually, quite a lot. They repair cellular damage caused by trouble-making free radicals.
No one-off detox regimen will ‘erase’ the effects of the last four weeks’ worth of excess and years’ worth of sluggish lifestyle habits. Vicki/Flickr

Do you really need a detox?

The human body is a comprehensive, self-mending, self-detoxing apparatus that will perform its tasks regardless of whether you’re undertaking a rigid detox cure, or a gourmet food and wine marathon.
Antioxidants are often portrayed as the good forces that fight evil free radicals. Markus Lütkemeyer

Health Check: the untrue story of antioxidants vs free radicals

Antioxidants are a commonly promoted feature of health foods and supplements. They’re portrayed as the good forces that fight free radicals – nasty molecules causing damage thought to hasten ageing and…

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