The digestive system breaks down ingested food and fluid into simpler substances and absorbs then in a form that can be used for growth, activity and maintenance of the body. First, the food is broken into small pieces by chewing and then it is exposed to natural catalysts (enzymes) which reduce the complex molecules to [...]

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The word yoga is Sanskrit for yoke or union. It originated in India some 4,000 years ago, and is a combination of physical postures (asanas), breathing control, and spiritual and mental training. Teachers and practitioners of yoga (yogis) believe that the mind and body are inseparable, and that harmony between them produces better health. Conversely, [...]

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Hamstring injury occurs when the muscles at the back of the thigh have been damaged by being forced to stretch too much or too quickly. This can be acute injury, such as sudden tearing during a sprint race; or it can be more gradual muscle strain through long term over-use. There are three hamstring muscles [...]

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Influenza is diagnosed by its symptoms, typically headache, aching limbs, fever, high temperature, runny nose and feeling a general weakness. Bed rest will be advised for the first few days. Antibiotics will not work on viral infections but they may be prescribed to prevent secondary infections in some cases. People who are more vulnerable to [...]

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Cramp is an involuntary, painful, muscle spasm. It is sometimes brief, but often prolonged or repeated. It may affect any muscle or group of muscles in the body, but most commonly involves the limb muscles. Most cramps are of minor importance and, although sometimes agonising, do not usually mean that there is anything seriously wrong. [...]

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The uterus is above the navel. Between now and week 32 the most rapid weight gain takes place. Heart and lungs are doing more work and the increased blood flow may make women feel hot and sweat more. Increased fluid in the circulation may make ankles swell, especially at the end of the day. Tiredness [...]

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Influenza is caused by a virus which infects the cells lining the respiratory tract (air passages). In the upper part of the tract it causes a fever and common cold symptoms. If it occurs further down the respiratory tract, the symptoms of bronchitis occur, with coughing, pain on breathing and a sensation of pain behind [...]

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If it is a simple heat rash, the doctor will advise you on the treatment outlined above. If it is allergy he will investigate the causes. If it is intertrigo, an anti-fungal drug will normally be prescribed in the form of a cream or an ointment as there is usually an underlying fungal infection with [...]

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With age, the skin naturally begins to wrinkle and sag due to a loss of  elasticity, as well as the long-term effects of exposure to the sun. A face-lift (also known as a rhytidectomy), is a type of cosmetic surgery that reverses these changes to some extent. If you are considering a face-lift, you can [...]

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The next layer, the dermis, is much thicker. It is a source of nutrition and provides the skin with elasticity and resilience. It contains water and some elastic materials, but its primary component is collagen, a fibrous, sturdy protein. The upper part of the dermis contains blood cells and nerve receptors. Deeper inside are sweat [...]

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