Is there any medical info on how happiness is good for you?

[jennifer_bloom]

Like could it reverse aging or lengthen life or preserve intelligence or lower heart rate?

[operationmakeover]

Exercise lots of fruits and vegetables drink plenty of water and ne sure you get 8 hours of sleep. Mental attitude does help in health.

[n4meAL]

sleep is one way👍👍👍. yeah if you know i really like sleeping

[HighlyVolatile]

There's a bunch that I've found. This might be a useful start:
https://greatergood.berkeley.edu/article/item/six_ways_happiness_is_good_for_your_health

It's also a common trend among the longest-lived supercentenarians (Jeanne Calment, Emma Morano, Kane Tanaka, etc). They tend to have a very positive attitude towards life.

Here in Japan the health ministry also conducts a lot of research into our neighbors in Okinawa since they have relatively so many people living past the age of 100 like so:

And one of the top qualities of Okinawans that is tightly correlated is their positivity and sense of purpose for living (we call ikigai: 生き甲斐).

[Jasooty]

The happier you are the less sleep you require to function. Sadness increases the urge to sleep more.
Smiling uses less facial muscles than frowning.

[Fireguy17]

Probably, maybe look it up on the google!

[operationmakeover]

The act, the number one cause of heart attack we thought was because your arteries were just so clogged up they couldn't do anything. it's not. The number one cause the thing that decides whether you survive is those who have a reason. to stay. That's according to medical studies the people that had a reason found a way to survive.