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News section with updates from clinics, science, health care, and society, explained clearly with practical context.

Dementia remains undiagnosed for 3.5 years after first symptoms

People with dementia are diagnosed on average 3.5 years after their first symptoms appear, while those with early-onset dementia are diagnosed even later (on average 4.1 years), according to a new study led by researchers at University College London (UCL).

Prolonged grief nearly doubles risk of death, 10-year study finds

Grief after the loss of a loved one is a natural response, an inevitable part of life and love. But for a minority of grieving people, grief can be so overwhelming that it leads to physical and mental illness.

Smoking and e-cigarettes increase depression and anxiety in teens

Teens who use e-cigarettes or traditional tobacco products (CTP) — such as cigarettes, cigars, hookah, and pipes — are significantly more likely to report symptoms of depression and anxiety than those who do not use tobacco products at all.

Mathematics explains why babies sleep during the day, teenagers fall asleep late, and the elderly wake up early

Ever wondered why babies nap some days but not others? Or why older people wake up earlier? Mathematical modelling of sleep regulation provides unexpected answers to these and other questions, according to a new study from the University of Surrey.

'Silent Epidemic' of Stimulant Use Accompanies Latest Wave of Opioid Epidemic, Study Finds

Many people may be aware of the ongoing opioid epidemic, which results in thousands of people dying from overdoses each year.

Obesity is more likely to be caused by a high-calorie diet than by a lack of physical activity

It is well known that obesity is a global epidemic, especially in industrialized countries, and that it is one of the leading causes of disease and poor overall health.

Yoga, Tai Chi, Walking and Running May Be the Best Exercises for Insomnia

Yoga, Tai Chi, walking and jogging may be the best types of physical activity to improve sleep quality and relieve insomnia symptoms.

Vapes are more effective than nicotine gum and lozenges for quitting smoking

A randomised controlled trial (RCT) assessed whether vaporised nicotine devices (VNPs) are more effective than nicotine replacement therapy (NRT) for smoking cessation among socially disadvantaged people.

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