Many drugs, especially those made of proteins, cannot be taken orally because they are broken down in the gastrointestinal tract before they can take effect. The researchers at MIT and Novo Nordisk, have designed a new drug capsule that can carry insulin or other protein drugs and protect them from the harsh environment of the gastrointestinal tract.
Air pollution could cause hair loss, according to a study that tested the effect of dust and fuel particles on human scalp cells. Researchers found that exposure to common pollutants reduced the levels of four proteins responsible for hair growth and hair retention. It also suggested that those living in cities or close to industrial works are at greater risk of going bald.
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