Burning or red eyes can have a host of different causes. Often it’s simply due to dry eyes, which can be caused by poor ventilation or working at the computer. But red eyes can also be symptomatic of viral or bacterial conjunctivitis.
A day after being questioned by police on corruption allegations, the Israeli prime minister was hospitalized. He was soon released with advice to rest and follow medical treatment.
One cause for the rapid spread of the disease is when people with bleeding gums share a drink with others, using the same cup. Those who test positive and tell their families are often stigmatized.
Conservationists are worried about the spread of a disease that killed 1,000 lions in Africa in the 1990s. India's Gir National Park holds all of the roughly 500 Asiatic lions left on earth.
A new study by Swedish researchers suggests humans can tell, through visual cues alone, when another person is battling a bacterial infection. Biometrics expert Kevin W. Bowyer tells DW whether smartphones can do better.
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