Today is International Rare Disease Day. Dorothy McLean talks to two women about the heartbreaking decision to take the test for Huntington's Chorea, a deadly and debilitating hereditary disease with no known cure.
Blood is a complex, living tissue that contains many cell types and proteins. A transporter, regulator, and defender, blood courses through the body carrying out many important functions.
In 1931, a chemist named Arthur Fox was pouring some powdered PTC into a bottle. When some of the powder accidentally blew into the air, a colleague standing nearby complained that the dust tasted bitter but Arthur couldn’t taste it.