Swimming does burn calories at a rate of about 3 calories a mile per pound of bodyweight. If you weigh 150 lbs. and it takes you 30 minutes to swim one mile (1,760 yards or 1,609 meters), then you will be using about 900 calories in one hour.
Scientists have found that the grape seed has the most concentrated form of health benefits from the grape. Grape seed extracts have been shown to improve immunity and prevent cancer. Every part of the grape plant has been used to improve health.
Grape seeds contain proanthocyanidin. 7 Proanthocyanidin extracts have been marketed in France for decades as treatment for venous and capillary disorders (eg, retinopathies, venous insufficiency, vascular fragility). 2. Red grape seeds are generally obtained as a by-product of wine production. When ground, these seeds become the source of grape seed oil. Red wine contains proanthocyanidin, and when used in association with a nonatherogenic diet, may reduce the incidence of cardiovascular disease. 2 , 4 , 7 , 8.