Is sex is important for good health.we can have it daily.

Feels Good, Is Good: Yes, a number of studies have shown that having good sex is a healthy habit to adopt. Reported benefits include: boosts the immune system; lowers risk of heart attack; lowers blood pressure; provides pain relief; improves bladder control; improves sleep; eases stress; healthy for the prostate; boosts libido; and is a form of exercise. Regarding frequency of having sex, there appear to be no limits.

Not necessarily: Having a sexual relationship with the person you love is one of the ways to maintain a better connection with your lover, and it also has health benefits. It's up to both you and your lover, but daily sex is not essential.