Deep slow breathing that makes your abdomen rise and fall can stop your stomach from flip-flopping or emptying out right before a high-stakes event such as a big presentation. (FYI, that reaction happens because your brain is releasing stress hormones that affect your gut.)

When you are sitting for a long stretch, like at work or on a flight, experts advise walking every hour to reduce the risk of dangerous blood clots. But fidgeting may be a good alternative. In a University of Missouri study people who sat for 3 hours but tapped one foot for 60 seconds every 4 minutes had an increase in blood flow in that leg that was enough to prevent a decline in arterial function, a risk factor for blood clots.

The Long Island Jewish Medical Center experts say that the ideal time to exercise is late afternoon. Your natural body rhythms cause your lungs to work 20% more efficiently between 4:00p.m. and 5:00 p.m.

Acupuncture can cool off hot flashes, report scientist in the journal of clinical oncology. In a study of 120 women having two or more hot flashes per day, weekly acupuncture cut frequency and severity by 52%, which was more effective than taking a common hot flash drug or a placebo. The scientist say acupuncture increases the production of endorphins, an effect known to reduce hot flashes.