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Harvard Medical School

A collection of news and information related to Harvard Medical School published by this site and its partners.

Top Harvard Medical School Articles

Displaying items 61-72
  • You may -- or may not -- need extra potassium while taking a diuretic

    Q: I've started retaining extra fluid. My doctor just prescribed Lasix. Do I need to take extra potassium? A: Lasix is an example of a loop diuretic. Doctors most often prescribe this type of water pill for people who retain a lot of water. Usually the...
  • Use mindfulness to pull yourself out of a funk

    Q: How do you pull yourself out of a funk or slight depression? A: Mood shifts frequently result from minor or trivial disappointments. So, much that gets us down is inconsequential. Yet it can be quite difficult to let meaningless matters go. A small...
  • What causes very low blood pressure?

    Q: My blood pressure stays low. Sometimes it drops so low that it causes dizziness and weakness. What can cause this? A: Many healthy people have low blood pressure. In fact, no specific blood pressure reading is considered too low, as long as the person...
  • Anyone can learn cardiopulmonary resuscitation (CPR) - and everyone should

    It's terrible to imagine, but what would you do if someone in your home suddenly collapsed and stopped breathing? After calling 911, most people feel helpless after witnessing such an event, which is usually due to a cardiac arrest (see "What is cardiac...
  • When you can't let go: Treatment can break the grip of hoarding disorder

    Harvard Health Blog Many of us have trouble parting with our possessions--even when we no longer need them. I have a collection of greeting cards I've been storing since childhood and will probably never look at again. My husband owns a few pieces of...
  • The Medicine Cabinet-Ask the Harvard Experts: Consider genetic testing if cystic fibrosis is a concern

    Q: What are the chances of a person with cystic fibrosis passing the disease to their offspring? A: Cystic fibrosis is inherited as a recessive disease. This means a person could be a carrier of a CF mutation and not be affected. Everyone has two copies...
  • The Medicine Cabinet-Ask the Harvard Experts: Testosterone therapy carries risks but may still be reasonable

    Q: I'm a generally healthy 72-year-old man, but my energy level and sex drive are not what they were 10 years ago. How do I know if I need to take testosterone? A: Based on the ads you see on TV, you'd think the answer is straightforward. But experts are...
  • Stop common sleep stealers before they put your health at risk

    You might remember a time when you could drift off to sleep in an instant and remain in a state of blissful slumber well past lunchtime the next day. Now your sleep is more likely to be lighter and more fitful, and when you wake up in the morning you don'...
  • Review: 'War of the Whales' by Joshua Horwitz

    Review: 'War of the Whales' by Joshua Horwitz
    On March 15, 2000, the whales came ashore. Although they appeared to the uninitiated to be "weird-looking dolphins," marine biologist Ken Balcomb identified most of the victims as beaked whales. He could barely believe his eyes when he found the first...
  • Let's end the wasteful war on drugs by putting science first

    Human beings sometimes have a troubling inability to hold two thoughts in mind at the same time. This is true not only when those thoughts contradict each other, but even when they simply appear to be in conflict with each other but actually aren't. And...
  • Beware of dietary supplements that could potentially be harmful

    Americans spend more than $32 billion on 85,000 different dietary supplements every year. These products contain various combinations of vitamins, minerals, herbal extracts, and other substances. The manufacturers claim that their products enhance health,...
  • Lab mice get addicted to sun exposure; you might too

    Does basking in the sun make you feel relaxed and happy, like nothing can bother you? There may be a biological reason for that. Researchers found that mice who were regularly exposed to UV light had a higher pain tolerance than mice that were not...