, Jan. 10 -- For millions of Dhaka residents, the most basic necessities-food, air and water-have become a daily health gamble, exposing them to risks they can hardly avoid, according to experts.

From toxic chemicals in everyday food items to dangerously polluted air and bacterially contaminated water, public health experts say the capital is facing continuous threats with long-term consequences for millions.

Toxic Food on Tables

Food safety researchers have repeatedly detected formalin, calcium carbide, artificial colours, excessive pesticide residues and antibiotics in fruits, vegetables, fish and dairy products sold in Bangladesh's markets.

These substances are linked to liver and kidney damage, hormonal disorders and increased can...