Good posture improves your appearance and helps you project self-confidence and self-assurance. It is worth achieving just for the aches and pains it may prevent. Unfortunately, for many of us, good posture does not come naturally.
Your knees are often put under a lot of stress, whether you’re running, playing basketball, dancing or cleaning your house. Simply using the stairs can put pressure on each knee equal to four times your body weight.
Sometimes it's hard to follow advice to exercise more. But just making an effort to sit less, by itself, can be beneficial. Accumulating evidence suggests that reducing sitting time may be nearly as beneficial as increasing activity time.