Mason Crest: 778 books

Not every sickness goes away in a few days or weeks. Unfortunately, some can last for months, years, or even the rest of a person's life. When this happens, it is called a chronic illness. It can cause many difficulties in people's lives, besides the illness itself. With some determination and help...

The debate over "nature versus nature" continues over the causes of homosexuality. Is there a gay gene? Is there something about the way a child is raised that can "turn" her gay? Or is being gay simply a "choice"? Taking a look at the major genetic, biological, and psychological theories of the origins...

Teenagers have always been interested in the supernatural and paranormal. This book notes that fascination with the world of fantasy is nothing new, and examines modern groups like Wiccans and Goths. Discussion of the supernatural and the paranormal is interspersed with scientific explanations. Many...

Obesity is a major modern health problem. The obesity epidemic has spawned a multi-billion-dollar industry, promising miracle weight-loss solutions, get-thin-quick diets, and too-good-to-be-true diet pills. According to recent government statistics, Americans alone spend $61 billion on diet products...

People with ADHD—attention-deficit/hyperactivity disorder—can be helped by medications such as Ritalin™ and Adderall™. Alternatively, other young adults are abusing these same drugs to their own detriment. Discover the true consequences of ADHD medication abuse, including the many health risks...

Different skin colors, different languages, different religions, different abilities--these are all things that sometimes cause us to judge other people unfairly. Blacks have had a long struggle against prejudice. Slavery, the Civil Rights movement, and modern-day racism and stereotypes all have a...

News media, television, music and entertainment are filled with images of gay and lesbian people today. But how did it all begin? Explore the history of the lesbian, gay, bisexual and transgender (LGBT) community in the United States, from the horrifying medical treatments of the early twentieth century...

Everyone experiences the "blues" now and then as well as times of joy and self-confidence. Most people even experience mood swings—times when they move quickly from feelings like joy to opposite feelings like sorrow. But what happens when normal moods become so extreme that a person can't think,...

Nutrition can be complicated. How do you know what foods are healthy and what aren't? How much should you eat? Does the way you eat today really shape your life in the future? The food choices you make today can have a big impact on your life 10, 25, or even 50 years from now. In Nutrition and Your...

Storms, tornados, floods, wildfires—the world is full of natural disasters that do terrible damage to our homes, towns, and cities. Knowing how to prepare for a natural disaster and what you can do if one does happen is the best way to keep yourself safe.

You may have heard of famous sports stars being caught doping—using drugs to hit harder, cycle faster, or run faster. But you may not know why these drugs are so dangerous. From scary changes in your body and behavior, to problems with the law, performance-enhancing drugs bring with them serious...

Martial arts students don't just learn how to fight. They also learn lots of other important things they use every day—like hand-eye coordination, for example. We use hand-eye coordination for everything from writing to playing sports to using a computer. Practicing martial arts can improve your...

At twenty-seven, Sheila is already on the verge of a second divorce. She has a degree in early elementary education, but still can't decide on a career. Suffering from a continual feeling of emptiness and unsure of who she is, Sheila is terrified of losing her husband, yet seems to do everything she...

Did you know that poor dental hygiene can increase your risk of heart attack and stroke? Or that the incidence of cavities and tooth decay increases in the teenage years? Did you know that countries with a higher standard of living (like the United States, Canada, and England) actually have higher...