Medical research

Outer hair cells regulate ear's sensitivity to sound

The ear's tiny outer hair cells adjust the sensitivity of neighbouring inner hair cells to sound levels rather than acting like an amplifier, suggests a new study published today in eLife.

Health

US 'medical tourists' seek cheap health care abroad

When Veronica Merrill decided to undergo stomach surgery for weight loss, she found two options: pay $12,000 at home in the United States, or have it done in Mexico for $4,000.

Health

Air pollution linked to hair loss, new research reveals

Research presented today at the 28th EADV Congress in Madrid shows, for the first time, that exposure to common air pollutants known as particulate matter (PM) is linked to hair loss in humans.

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