A child who is underweight due to a chronic medical condition, genetics, poor appetite or picky eating habits is at risk of low energy and illness. Your child's doctor can help you determine whether she needs to gain weight.

Volleyball is a game of precision, power and teamwork on the court. For the most powerful setting in volleyball, it is common to tape two of your fingers together for added support and strength, which is a technique known as "buddy taping."

Cake mixes that bake up light and fluffy often include less fat and sugar and greater amounts of baking powder. Less fat and sugar mean a reduction in the weight, or denseness of the cake, while the leavening properties of baking powder increase the volume of a cake mix as it bakes.

You’ll see Ashwagandha in muscle-building formulas, though the herb’s main use is as an adaptogen, similar to ginseng. Adaptogens are purported to help your body deal with stress, whether it be physical or mental.

Poor dietary habits, medical conditions or excessive exercise can cause you to be underweight. Anorexia and bulimia nervosa are eating disorders most commonly associated with being underweight. Being underweight can cause fatigue, osteoporosis and irregular menstrual cycles in women if left untreated.

You've done everything right. You pass up the pizza and avoid mindless snacking in front of the TV, so it can feel frustrating when lifestyle changes aren't preventing weight loss. Don't worry, a few simple changes can help get you back on the right track.

When you're struggling to lose weight, you may scrutinize every aspect of your diet and even wonder if lactose -- the sugar found in milk -- is making you fat. But lactose is no more likely to cause fat accumulation than any other nutrient or food. Excess calories lead to fat gain, not one single nutrient like lactose.

When you're underweight, your chest may appear slight or delicate, so it's not uncommon to want to build size in this region. Men with large, muscular chests look defined and strong; women with voluptuous breasts fill out a bikini top or a strapless dress.

Certain conversations between a husband and wife must be managed with tact and sensitivity. A spouse's weight can be a particularly sensitive issue. You may be wondering whether to mention the fact that your wife has put on weight.

While not life-threatening, bloating is often uncomfortable -- and even painful -- and water retention can compound the situation, making you feel worse. If you suspect your habit of drinking diet soda is the potential cause of your bloating and water retention, you may be on to something.

You need zinc for forming proteins and DNA and for proper immune function. Getting extra zinc in your diet isn't likely to cause weight gain if you are already getting the recommended amount, although some studies have shown beneficial effects on weight gain in people who are zinc deficient.

Broccoli contains many vitamins, including vitamin C and vitamin A. Along with the vitamins, broccoli may help protect your body against certain forms of cancer.