Harvard Health & Medical Information

New Harvard Health Information

“Natural” trans fat less harmful than artificial version

Trans fat lowers “good” HDL cholesterol and raises the “bad” LDL variety. Some municipalities have responded by banning trans fat from restaurants and many food makers have stopped using trans fat as… Read more

The hazards of too much water

We’ve all been told it’s important to drink plenty of fluids during exercise. But now it seems too much water can be very dangerous. So which is right? Both. Good hydration is… Read more

Anxiety linked with a higher risk for certain chronic conditions

As an everyday emotion, anxiety can be a good thing, prompting us to take extra precautions. But when anxiety persists, it can undermine our physical health. Evidence suggests that people with anxiety… Read more

High altitudes and heart disease

Quickly ascending to a high altitude can challenge the healthiest people, but it can spell extra trouble for individuals with a heart problem, according to the July 2008 Harvard Heart Letter. How… Read more

Tips to keep children safe online

The chances of being harassed or sexually solicited online increases when young people interact with others via instant messaging and chat rooms. These forums may encourage impulsive and risk-taking behavior. The July… Read more