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Welcome to Discovery Health's Expert Blogs! Read the latest entries from our experts on healthy living, nutrition, medical advice and more.

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Discovery Health has answered a question
On Jun 22

What is the difference between a cold and an allergy?

Allergic rhinitis symptoms (red, itchy eyes; stuffed-up nose; sneezing) are often mistaken for those of a cold. So what are the main differences? With allergies, these symptoms can continue for wee...
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Discovery Health has answered a question
On Jun 20

Can depression stall recovery from a stroke?

Depression is considered to be a major hindrance to a successful recovery for stroke victims. An estimated 35 percent stroke victims who are age 65 or older experience depression, which may have be...
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Discovery Health has answered a question
On Jun 20

How do I know if pollen levels are high?

Allergists and meteorologists can help you stay on top of your pollen allergies because they are continually assessing and reporting the amount of pollen floating in the atmosphere. During pollen s...
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Discovery Health has answered a question
On Jun 15

How can atrial fibrillation (AFib) cause a stroke?

People who have atrial fibrillation, a condition in which the heart does not pump properly, are at an increased of suffering an ischemic stroke. Because their heart pumps irregularly, pools of bloo...
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Discovery Health has answered a question
On Jun 07

What causes attention deficit hyperactivity disorder (ADHD)?

Despite extensive research, scientists still do not know what causes Attention Deficit Hyperactivity Disorder. Researchers, however, have ruled out some causes-such as a child's surrounding and...
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Discovery Health has answered a question
On Jun 07

Why does chemotherapy cause hair loss?

During chemotherapy, doctors administer poisonous drugs into rapidly reproducing cancer cells. Cancer cells can be the most rapidly reproducing cells in the body. Other cells, including those that ...
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Discovery Health has answered a question
On May 30

How do bugs cause asthma?

Dust-mite droppings are considered by many, many allergists to be the single most important allergen that is associated with asthma. Dust-mite droppings can cause asthma in young children, and they...
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Discovery Health has answered a question
On May 29

What is allergic asthma?

Triggers of allergic asthma include allergens such as animal dander, pollen, dust-mite and cockroach droppings and body parts and mold. Other triggers include irritants like cigarette smoke and sti...
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Discovery Health has answered a question
On May 24

Does race affect stroke risk?

Race is a factor when it comes to increased risk for stroke. Blacks are twice as likely to experience a stroke and are twice as likely to die from it, than their white counterparts. Some think thi...
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Discovery Health has answered a question
On May 21

What are the side effects of fish oil supplements?

The Food and Drug Administration (FDA) considers fish oil supplements to be "generally regarded as safe" or GRAS. And certainly when used as an anti-inflammatory, fish oil allows for fewe...
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Discovery Health has answered a question
On May 16

Does gender or race affect stroke risk?

Men are at a higher risk for stroke than women, until their later years when the odds become more even.
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Discovery Health has answered a question
On May 08

What causes gastroesophageal reflux disease (GERD)?

Nicotine products—cigars, cigarettes or gum to help stop smoking—cause the valve at the top of the stomach to relax, allowing stomach acid to flow back into the esophagus. Smoking also ...
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Discovery Health has answered a question
On May 08

How can I manage diabetes while pregnant?

In this video from Discovery Health, learn how to manage diabetes during pregnancy.
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Discovery Health has answered a question
On May 04

Should I change my sleeping habits if I have heartburn or GERD?

People who suffer from GERD might have an awful time sleeping because the saliva and swallowing that help keep symptoms under control during the day taper off. Sleeping with your upper body elevate...
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Discovery Health has answered a question
On May 03

What are risk factors that contribute to GERD?

Nicotine products—cigars, cigarettes or gum to help stop smoking—cause the valve at the top of the stomach to relax, allowing stomach acid to flow back into the esophagus. Smoking also ...
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