Directory of health resources for healthcare professionals.

Pediculosis capitis (head lice) is common in children and may occur in adults. The louse lives only on the head and is passed from person to person but may also be transmitted by hats and towels. It spreads rapidly through schools and kindergartens and then through families. The louse is only 2-3 mm in size [...]

Cancer in the lungs causes difficulty in breathing. The job of the lungs is to put oxygen into the blood and take waste gases such as carbon dioxide out. If part of the lung is destroyed, the rest of the lung has to work harder to do this. This means the patient needs to breath [...]