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Applying sunscreen on beach

Technology

Safety of many sunscreen ingredients is in doubt – should we worry?

The US body that regulates sunscreen has declared that 12 of the 16 popular active ingredients might not actually be safe. Here's what you need to know

Insight

Carbohydrates

Definition

Carbohydrates

Preventable harm sometimes occurs during surgery

Health

Half of all harm caused by medical care is preventable

News

Sibling rivalry: How birth order affects your personality and health

Humans

Sibling rivalry: How birth order affects your personality and health

Features

Using smart watches to monitor your heart could do more harm than good

Technology

Using smart watches to monitor your heart could do more harm than good

Comment

Environment

Costa Rica is banning the use of polystyrene packaging from 2021

News

Menstrual cups may help cut plastic use

Health

Menstrual cups are as safe and leakproof as tampons and pads

News

Perceiving oneself as being overweight may be linked to depression

Health

People who think they’re overweight are more at risk for depression

News

Anxiety can disrupt your attention

Health

High levels of anxiety can slow down your reaction times

News

Anorexia may be linked to hundreds of genetic variants

Health

Anorexia is a metabolic disorder as well as a psychiatric one

An analysis of nearly 17,000 people with anorexia has found that those with the condition may be genetically prone to weight loss and high physical activity

News

Health

Regulating e-cigarette flavours may prompt some people to smoke more

News

Health

People in China consume twice the recommended daily limit of salt

News

Health

French healthcare will stop paying for homeopathic treatment in 2021

News

Earth

Earth's helium is running out and it has dire consequences for science

Comment