I'm over 40 and i'd like to lose 15-20 lbs...how do i do that?

Diet and Exercise: Only way you can loose weight is by cutting down the total calories intake in your diet and proper nutrition.Cut down the Carbs in your diet,eliminate simple sugars like sucrose,fructose and glucose,eat more fruits and vegetables,whole grains,legumes,limi tdiary Producs,limit red meat,include tree nuts,fish and chicken.Drink plenty of water And exercise regularly to burn some calories.