1 CA500: Survival of the fittest is a tautology from the talk.origins index to creationist claims by Mark Ridley. 2  Is survival of the fittest a tautology by Don Lindsay.
What is healthy weight loss? It's natural for anyone trying to lose weight to want to lose it very quickly. But evidence shows that people who lose weight gradually and steadily (about 1 to 2 pounds per week) are more successful at keeping weight off. Healthy weight loss isn't just about a diet or program. It's about an ongoing lifestyle that includes long-term changes in daily eating and exercise habits.
Weight-Loss Calorie Needs. Diets containing 1,000 calories a day are safe, effective weight-loss diets for inactive women who weigh less than 165 pounds, according to the National Heart, Lung and Blood Institute.Women weighing 165 pounds or more, active women and men need at least 1,200 calories daily to safely lose weight.eight-Loss Calorie Needs. Diets containing 1,000 calories a day are safe, effective weight-loss diets for inactive women who weigh less than 165 pounds, according to the National Heart, Lung and Blood Institute.