Here's why you need to quit today. Learn about smoking in men and the health risks associated. Benefits for Quitting Smoking - Week One Nicotine Withdrawal Symptoms. Men who quit smoking by 30 add 10 years to their life. Smoking causes impotence and erectile dysfunction in men and low libido in men. However, even those who quit much later in life gained some benefits: among smokers who quit at age 65 years, men gained 1. Quit smoking: Feel the benefits! In other words, it's never too late to benefit. Another example of hidden Stop Smoking Benefits is a man's ability to have enjoyable sexual.