Natural Knowledge 24/7 Educate yourself with nutrition, health and fitness knowledge.

Numerous commuters take the subway to get to work and reach other destinations. In New York City alone, over 4.3 million people use this mode of transportation on a daily basis. Given all of this traffic, it shouldn’t come as ...

In modern times, bacterial infections are usually more of an irritant than serious threats to human health. Thanks largely to the introduction of antibiotics, millions have people have been able to beat back the onslaught of harmful microbes. Some bacteria, ...

Like the rest of the body, the eyes are not immune to the ravages of time. In their later years, many older adults develop eye cataracts, a disease that often leads to seriously diminished vision. A recent study may help ...

Declining vision is among the many problems that afflict the health of seniors. More than 12% of adults aged 65 to 74 told the 2011 National Health Interview Survey that they had suffered vision loss. For those aged 75 and ...

Generally speaking, studies about genetic flaws usually focus on the potential consequences of such abnormalities. But imagine if a malfunctioning gene actually had a highly positive impact on your health? As strange as such a scenario might seem, a team ...

While you may not be familiar with the term “electromagnetic radiation,” you can rest assured that you probably encounter it many times throughout the day ‒ this type of energy can be found in both your home and office, and ...

It’s widely understood that many people frequently struggle with allergies, though the extent of this problem might still come across as somewhat surprising. The American College of Allergy, Asthma & Immunology provides the following information about allergies in the United ...

There is certainly reason to believe that autism is becoming more common in the United States. In March 2014, the Centers for Disease Control and Prevention (CDC) reported that 1 in 68 American children had an autism spectrum disorder. What ...

Do you occasionally feel shy or nervous in social environments? Research suggests that you are not alone: A 2011 study by the National Institute of Mental Health (NIMH) found that over 12 percent of “somewhat or very” shy teens met ...

No matter what your personality might be like, there’s an excellent chance that you spend a fair amount of time listening to music during the day. Given the number of hours which people spend transfixed to mp3 players and radios, ...