In Good Shape

Season 4, Episode 20 of 52

Some researchers say two minutes of laughing is as beneficial as a 20-minute jog. It boosts oxygen supplies, relieves stress, strengthens the immune system and lowers blood pressure. Laughter can help raise our pain threshold and dispel anxiety. And you can learn to do it. Also, how an under-active thyroid can cause chronic fatigue, and what is the best stimulant: coffee or tea?

Previously Aired

8:30 a.m.
1:30 p.m.
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