Higher metabolism has also been linked with fertility. Studies have found that a protein that translates insulin signals in metabolism also plays a role in female fertility. The mice tested that lacked the insulin receptor IRS-2 showed infertility. They had defective ovaries that prevented egg release. Other studies on the fruit fly drosophlia shows that there is a relationship between higher metabolism and fertility.
The four types of foods are helpful in boosting metabolism:
Chewy foods which are your lean meats, nuts, fruits etc. makes your body work the moment you chew. For the best results choose foods that are in a whole state. For example choose an apple over apple juice, a tuna steak over tuna fish.
Fibrous foods which contain your vegetables, rice, and grains. These foods are not only chewy but also packed with fiber that fills up your stomach leaving little room for seconds.
Energizer bunny foods are basically anything that contain caffiene like coffee, tea and dark chocolate. Caffeine boosts metabolism but be sure to steer clear of loading up on sugar, cream and milk.
Warm Foods such as peppers, ginger and garlic cloves contain capsaicin which doubles metabolism for several years after digestion.