3. Fight colds and flu
Having sex once or twice a week has been found to raise your body’s levels of an antibody called immunoglobulin A, or IgA, which can protect you from colds and flu. One study found people who have sex more than once a week have 30% higher levels of IgA than those who abstain.
4. Disease-proof your body
Having high levels of the natural steroid DHEA, known as “the anti-ageing hormone”, is believed to be key to keeping your body fitter for longer. During sex, DHEA is secreted throughout the body, and after an orgasm, the level in the bloodstream soars to five times its normal amount.