At age four, they were also given a skin-prick test to see if they had any of the most common allergies, including dust mite, animal fur, pollen, milk, eggs or peanuts.

BBC: Doctors could predict which children are at risk of asthma

You'll need to have a skin test for tuberculosis, a chest X-ray and a test for hepatitis B before taking infliximab.

CNN: Ulcerative colitis

She applied a vibrating massager and a bag of frozen peas to the arm of her 7-year-old son Max, then rolled over his skin a small metal wheel used by neurologists to test sensitivity.

WSJ: Tactics to Spark Creativity

With their new laser in hand, Dr Leitgeb and his colleagues set up an experiment that let them test the system on a range of skin conditions, including a healthy human palm, allergy-induced eczema on the forearm, inflammation of the forehead, and two previously diagnosed cases of basal-cell carcinoma.

ECONOMIST: A better way to diagnose skin cancers