What is a colostomy bag? What to know

A colostomy bag collects fecal waste from the digestive tract after a person has a colostomy. Learn more about the different types and life with a colostomy bag here.

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How long are cold sores contagious for?

Cold sores are highly infectious blisters that develop on the lips and around the mouth. They result from a common viral infection and tend to be contagious for around 15 days. Learn more here.

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What to do if someone has food stuck in their throat

Sometimes, food can become stuck in the esophagus or windpipe within the throat. Depending on the location of the blockage and the person’s symptoms, this can be a medical emergency. Learn more here.

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What causes numbness in the thigh?

Causes of numbness in the thigh include lupus, some autoimmune conditions, and multiple sclerosis. Treatment depends on the cause. Learn more here.

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Way to prevent chemotherapy hair loss in sight

Using a mini organ model, scientists reveal how taxane chemotherapy can permanently damage hair follicles, and how a newer class of drug could prevent it.

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Scientists discover the structure of cancer molecule

New research from the United Kingdom has now revealed the structure and function of a molecule that may help cancer develop and become treatment resistant.

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Could drinking tea boost brain connectivity?

A small study tests whether regular tea drinkers have differently structured brains to non-tea drinkers. The findings are intriguing but not conclusive.

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New electric eel species packs most powerful punch

According to a new study, the infamous electric eel is not one species, but three; and one of the newly named species has a record breaking discharge.

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Cancer is now the leading cause of death in wealthy countries

A new study finds that compared with cardiovascular disease, cancer is twice as likely to be the cause of death in higher income countries.

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Physical fitness linked to better brain function

In the largest and most in-depth study of its kind, scientists confirm that physical fitness is associated with improved cognitive ability.

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Hearing aids lower the chance of dementia, depression, and falling

A recent study concludes that wearing hearing aids is associated with later onset of dementia and a reduced risk of anxiety, depression, and falls.

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How birds let squirrels know when it's safe to relax

Scientists know that squirrels respond to birds' threat calls. A new study finds that the chatter of birds at rest informs them when danger has passed.

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Does poor oral health impact brain function?

Two new studies suggest that there is an association between stress related tooth problems and cognitive decline among older populations.

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What to know about cataract surgery

Cataracts are cloudy areas that develop on the lens of the eye. They can affect a person’s vision. Surgery is currently the only way to remove cataracts and restore vision. Learn about what to expect from the different surgical procedures.

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What does it feel like to be drunk? What you need to know

Although alcohol affects people in different ways and some people can drink more than others, drinking too much may cause a person to feel drunk. Learn more about the effects of alcohol by stage here.

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How to eat 1,200 calories a day

People can eat 1,200 calories a day to lose weight safely by adding more filling foods, such as protein rich foods, to their diet. Learn more about how to eat 1,200 calories a day and stay healthy here.

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What to know about condoms and allergies

Some people are allergic to latex or other elements of condoms. Learn more about the allergy symptoms that a person may experience after using condoms or similar products during sex.

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Is there a cure for hepatitis C?

Hepatitis C is a curable liver infection. With the appropriate treatment, it is possible to clear the virus within 12 weeks. Learn more here.

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What are the best prenatal vitamins to take?

Prenatal vitamins are important for the health of pregnant and breastfeeding women, as well as developing fetuses. Here, learn which prenatal vitamins to take and their benefits.

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How do superstitions affect our psychology and well-being?

This Friday the 13th, we take a look at the psychological mechanisms of superstitions and their effect on mental health and well-being.

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