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Articles on Oxidative stress

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Bad air pollution and extreme heat each raise health risks, but they’re worse combined. Brian van der Brug/Los Angeles Times via Getty Images

Extreme heat and air pollution can be deadly, with the health risk together worse than either alone

The worst effects are during high nighttime temperatures, something happening more often with climate change. Wildfire smoke adds to the risk.
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.
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.
While nutrient supplementation can have a role in treating certain psychiatric disorders, all kinds of nutrients should, in the first instance, be consumed as part of a balanced wholefood diet. PROPatrick Feller/Flickr

Health Check: seven nutrients important for mental health – and where to find them

A growing body of research points to the detrimental effect of unhealthy diets and the protective value of healthy diets – along with select nutritional supplements as required – for maintaining and promoting mental health.
Current treatments for bipolar disorder are more effective for the symptoms of mania than for depression. Chris Connelly

Old made new: medication offers hope for bipolar depression

Little understood and lacking effective drugs for addressing the scope of its symptoms, bipolar disorder can wreak havoc with the lives of people who suffer from it. Now an over-the-counter drug is offering…

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