It is linked to psychological factors including stress and depression or physiological factors such as diabetes, nerve damage due to excess alcohol or smoking.

Reduced blood supply to the penis can also be a side effect of blood pressure or anti-depressant medication.

According to research carried out by the Impotence Association, the condition has been found to be a factor in the break up of 21 per cent of relationships and affects one in 10 British men.

Reflexologists claim they can work on impotence in two ways. Using the thumbs, a reflexologist applies pressure to certain reflex points - or energy channels - found on the inside and outside of the ankle.

According to the principles behind reflexology, these points correspond to the reproductive areas in the body. This thumb action stimulates blood supply to the penis, encouraging an erection.

Reflexology also works by stimulating the nerve pathways leading to the brain. This lowers the breathing rate in the heart and lung area, thus helping to reduce stress.

With this in mind, we've found five natural cures to help reduce stress, increase blood flow and restore potency in your sex life.