Caffeine stimulates the central nervous system, reaching the bloodstream within 30 to 45 minutes after ingestion. Because caffeine is water soluble, the body quickly absorbs it through the stomach lining. Excessive consumption of caffeine can lead...
Barbiturates are a powerful class of drugs categorized as non-selective central nervous system depressants. Barbiturates were first developed in the early 1900s and became popular in the 1950s and 1960s for treating anxiety and insomnia. They were...
Humans use a wide variety of different kinds of drugs for recreational purposes, as well as for ill-advised attempts at self-medication. Some drugs, such as alcohol, caffeine and nicotine, are legally sanctioned. Others are used illicitly. ...
The heart, stomach, lungs, pancreas, kidney, gallbladder and brain are a few of the major organs in your body. Some organs are more important than others. For example, you can live with only one kidney and without your gallbladder. Each organ can...
Coronary artery disease is a disease of the blood vessels in the heart. In this disease, plaque builds up and narrows, restricting blood flow, damaging tissues and interfering with the ability of the heart to function to its full capacity. The...
Your body’s digestive tract begins at the mouth and continues along a path measuring 6 to 8 meters, or up to about 25 feet. Along the way, the food you eat either touches or is influenced by just about every organ in your body. Whether...
Cigarette smoking is commonly associated with lung cancer, emphysema, asthma and a wide variety of other respiratory problems. Many people mistakenly think that the health risks stop there. The sad truth is that cigarette smoking can damage your...
The human body is composed of millions of cells, myriad tissues, and numerous organs; some have unique functions, other functions are coordinated, and some functions overlap. Therefore, a classification of organ systems is not definitive. For...
Your organs control your body’s basic functions, and when your organs are damaged, you need to alter your lifestyle — through diet, exercise, medication or a combination — to continue living. Too much body fat can hurt your...
Regular exercise can lower your risk of heart disease, stroke and some types of cancer. It also can improve your mental health. It has positive effects on your major organs, including your heart and brain, in addition to other body systems such as...
Not unlike a train or bus station, the heart is the depot, or central hub, for transport of blood to outlying regions of the body. All of the major components of fitness, health, and life itself are dependent upon the action and activity of the...
Carbohydrates are macronutrients that are needed in abundance to promote healthy metabolic and cellular function. Carbohydrates are chemical compounds composed of sugar and water, and can be found in a variety of foods. Not all carbohydrates are...
Emotions are how the body responds to feelings. The International Shen Therapy Association describes emotion as a metaphysical experience paralleled by biological responses and psychological processes. Traditional Chinese medicine views seven...
Salmonella is a common bacterium that causes infection in humans, usually through exposure to inadequately processed foods like chicken or eggs, contaminated water, and contact with animals like reptiles and amphibians. The people affected most...
Sometimes the only cure for someone suffering and dying is to receive a new organ. Hearts, livers, lungs, skin, corneas and other organs are harvested from those who have just passed away. Those vital organs are put into the bodies of the living....
As more and more consumers embrace the idea of an organic lifestyle, many are finding themselves in a veritable minefield of false information when it comes to personal care products. To be truly "organic," any skin care product must be certified...
Every day you are exposed to thousands of toxins from the environment and food that you eat. Toxins can be ingested from tap water, household products, pesticides and chemicals from fruits and vegetables. These harmful chemicals cause our body's...
Juice Organics is a brand of skin care products that uses certified organic ingredients. Juice Organics, which is sold at prestige retailers worldwide, is one of the first drugstore and mass market brands that meets both the 70% and higher USDA...
Papayas are loaded with vitamins, minerals and dietary fiber. These tasty tropical fruits offer benefits to the digestive system by providing ample dietary fiber and a protein-digesting enzyme. Papayas also benefit the lungs and immune system....
ReNew Life Organic Total Body Cleanse is a 14-day, three-part system designed to clean and support your digestive system and promote better digestive health.
The brain, specifically the hypothalamus, regulates body temperature. The largest organ of the body, the skin, also plays a major role. There are receptors all over the skin that monitor for overheating. These detect temperature changes and alert...
Carbohydrates are one of the three macronutrient compounds--the other two are protein and fat--meaning that they're nutrient molecules that you need in large quantities to fuel your cells and organ systems. You use carbohydrates as an important...
Obesity is a nationwide problem, with an estimated 72 million Americans considered obese, says the Centers for Disease Control and Prevention. Obesity is the excess amount of fat on your body, which translates into a heavier weight and larger body...
Natural and organic ingredients exist for all elements of soapmaking. Read labels to ensure you're buying body soap ingredients derived from organically-raised and processed plants and animals. Soapmakers who opt to start with grated or "melt and...
Your body needs protein to repair and build cells. Protein releases amino acids during digestion. The amino acids aid in growth and development, provide your body with energy and manufacture neurotransmitters to improve moods. It takes the work of...
Fifty years ago, most Americans avoided coconut oil like the plague. They believed it caused weight gain, clogged arteries and heart attacks. Little did they know that people of the Pacific Islands regularly consumed coconut oil yet enjoyed some...
Mesothelioma is a condition that affects the connective tissue that covers most of the body's organs (called the mesothelium). The American Cancer Society estimates that between 2,000 and 3,000 people in the United States are diagnosed with...
Physical development takes place over the course of the first 20 or so years of human life, but it is most concentrated during two periods: the prenatal phase and puberty. While childhood is marked by growth and significant brain development,...
Anemia is a condition in which you have less than the normal number of red blood cells your body needs. Red blood cells contain hemoglobin, a protein that transports oxygen from the lungs to your body organs. If you have low levels of red blood...
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