When you lose weight, the numbers on the scale aren't the only things that change. Thermoregulation, or the modulation of body temperature, changes as your metabolism and body fat percentage shift.

Losing weight can be a challenge, but if you're serious about your commitment, make a plan and stick to it, you will get results. Any healthy weight loss plan incorporates a nutritious diet and regular physical activity and it's not a quick fix.

Polycystic ovary syndrome (PCOS) is a health condition associated with weight gain, acne, infertility and abnormal hair growth. According to the website WomensHealth.gov, as many as one in 10 women have PCOS.

A program to lose weight in the core improves the way you look and how you feel. Reduce calories and become more physically active to get rid of extra pounds.

To lose belly fat in the next 30 days you need a balanced plan of diet and exercise. Here's what you can do.

The ketogenic diet is a high-fat diet that restricts the daily carbohydrate intake to 10 to 15 grams and the daily protein intake to 1 gram per kilogram of body weight. Meat and fish are among the main sources of fat.

Fill your soups and salads with a variety of nutrient-rich, low-calorie foods including vegetables, lean meats, fish and legumes. Eat three meals per day to keep blood sugar levels steady and energy levels high.

We consulted with fitness expert Ashley Borden, who has worked with some of the biggest names in sports and fitness. Follow her suggestions and you won't fall victim to any of these flawed ways of thinking.

The blood-type diet is based on the idea that your blood type plays an important role in how your body absorbs nutrients and handles stress, as well as how susceptible you are to illness.

Soy is a nutritious protein alternative that gives you all the amino acids your body needs. But like meat, soy and various soy products can spoil and make you sick.

Whether you workout before or after breakfast makes little difference for casual exercise. When training, there may be a benefit to fasting before exercise.

Sure, strong arms look great in tank tops, but there's more to upper body workouts than looking good. Here's why you should start as well as how to do it.