In Hyderabad, a city in southern India, swallowing live fish covered in a special herbal formula is believed to help asthma sufferers’ with their breathing problems.
Thousands of people line up to receive this treatment.
After swallowing the live fish, "patients" are told to follow a strict diet of 25 particular foods for a period of 45 days. These include normal items such as rice, white sugar, lamb, and spinach.
The herbal formula remains a secret that was supposedly a recipe from a Hindu saint 170 years ago, who warned not to reveal the formula.