RSSAll Entries in the "Health" Category

Medicate or Educate? – Just Pop a Polypill

Medicate or Educate? – Just Pop a Polypill

At this moment, a trial is underway in India. This trial, named the TIPS trial, involves a new medication — a so-called “polypill” — which contains three antihypertensive drugs, a statin, and aspirin. Its researchers enthuse that it may cut the risk of cardiovascular disease by half in healthy people. So far, the study has […]

Death and Dying in Tough Economic Times

Death and Dying in Tough Economic Times

Cash-strapped states and private health care providers are looking for ways to cut costs and save money in these economic times. While across-the-board cuts in spending are intuitively appealing and a seemingly straightforward method for saving money, it turns out that some health care expenditures actually lead to cost savings. Spend money to save money […]

Samaa TV Talks about our Tele-healthcare Project

Samaa TV Talks about our Tele-healthcare Project

Recently, Samaa TV covered our healthcare project in their program named, “Innovation”. The accompanying video is a short highlight of the documentary that they made during their visit to NUST and our UM Healthcare facility in Mardan. With permission from Samaa TV, we are now sharing the video clip of the program online with our […]

Nerve Regulators

Nerve Regulators

Two types of nerves help control the action of the digestive system.Extrinsic, or outside, nerves come to the digestive organs from the brain or the spinal cord. They release two chemicals, acetylcholine and adrenaline. Acetylcholine causes the muscle layer of the digestive organs to squeeze with more force and increase the “push” of food and […]

How is the digestive process controlled?

How is the digestive process controlled?

Hormone RegulatorsThe major hormones that control the functions of the digestive system are produced and released by cells in the mucosa of the stomach and small intestine. These hormones are released into the blood of the digestive tract, travel back to the heart and through the arteries, and return to the digestive system where they […]

Water and salt.

Water and salt.

Most of the material absorbed through the small intestine is water in which salt is dissolved. The salt and water come from the food and liquid you swallow and the juices secreted by the many digestive glands.[Top]

Vitamins.

Vitamins.

nother vital part of food that is absorbed through the small intestine are vitamins. The two types of vitamins are classified by the fluid in which they can be dissolved: water-soluble vitamins (all the B vitamins and vitamin C) and fat-soluble vitamins (vitamins A, D, E, and K). Fat-soluble vitamins are stored in the liver […]

Fats.

Fats.

Fat molecules are a rich source of energy for the body. The first step in digestion of a fat such as butter is to dissolve it into the watery content of the intestine. The bile acids produced by the liver dissolve fat into tiny droplets and allow pancreatic and intestinal enzymes to break the large […]

Protein.

Protein.

Foods such as meat, eggs, and beans consist of giant molecules of protein that must be digested by enzymes before they can be used to build and repair body tissues. An enzyme in the juice of the stomach starts the digestion of swallowed protein. Then in the small intestine, several enzymes from the pancreatic juice […]

Carbohydrates.

Carbohydrates.

The Dietary Guidelines for Americans 2005 recommend that 45 to 65 percent of total daily calories be from carbohydrates. Foods rich in carbohydrates include bread, potatoes, dried peas and beans, rice, pasta, fruits, and vegetables. Many of these foods contain both starch and fiber.The digestible carbohydrates—starch and sugar—are broken into simpler molecules by enzymes in […]

Absorption and Transport of Nutrients

Absorption and Transport of Nutrients

Most digested molecules of food, as well as water and minerals, are absorbed through the small intestine. The mucosa of the small intestine contains many folds that are covered with tiny fingerlike projections called villi. In turn, the villi are covered with microscopic projections called microvilli. These structures create a vast surface area through which […]

Production of Digestive Juices

Production of Digestive Juices

The digestive glands that act first are in the mouth—the salivary glands. Saliva produced by these glands contains an enzyme that begins to digest the starch from food into smaller molecules. An enzyme is a substance that speeds up chemical reactions in the body.The next set of digestive glands is in the stomach lining. They […]