An exact amount of milk needed for a 3-month old baby is difficult to calculate. Some babies drink small amounts of milk frequently throughout the day while others may consume large quantities with more time between feedings.

The Paleo diet is promoted as a diet built on what humans evolved eating during the Paleolithic period to help you achieve your optimal weight and health, according to Robb Wolf, biochemist and author of "The Paleo Solution."

According to the Centers for Disease Control and Prevention, it's unhealthy to lose more than 1 to 2 pounds per week for both teenagers and adults. In teenagers, rapid weight loss can be attributed to stunted growth and poor development.

Swelling in different areas of your body -- generally from fluid accumulation in your tissues -- frequently is visible in your extremities.

The best way to lose fat is through a combination of dietary changes and exercise. You need to cut 500 to 1,000 calories per day to lose 1 to 2 pounds a week. Limiting your carbs may make it easier for you to cut calories and lose weight, but you shouldn't eliminate them all.

Almonds are a healthy, savory snack, packed with protein, fiber and omega-3 and -6 fatty acids. Most people are aware of their health benefits and how to incorporate almonds into a healthy diet, but it is less well known that soaking almonds can unlock more health benefits and make them easier to digest.

The Ab Flex Belt website features recommendations from television stars, professional athletes and Hollywood trainers. Moreover, the manufacturer of the Flex Belt claims the U.S. Food and Drug Administration cleared the device for toning and strengthening the stomach muscles.

Drinking espresso may help you to lose weight by increasing your energy level and temporarily reducing your hunger. These effects come from the caffeine content of espresso, a strong black coffee made by forcing stream through ground coffee beans.

When an elderly relative does not want to eat, it can be emotionally distressing. No cause is identified in approximately 26 percent of cases, according to Evaluating and Treating Unintentional Weight Loss in the Elderly, published in 2002 in “American Family Physician.

Bread may be out on your low-carb diet, but what about beer? You may have heard that alcohol stops your body from burning fat. While this may be true, it's very temporary, and as long as you're only having an occasional beer, it shouldn't affect your weight loss.

Whether you're a vegetarian, vegan or flexitarian, the basics of weight gain stay the same -- you need to consume more calories than you burn to put on weight.

Although getting plenty of niacin, a form of vitamin B-3, in your diet helps keep energy levels high, niacin doesn't likely relate directly to weight loss.