What our study shows is that safe sex campaigns do work.

We are seeing a decline and it’s real.

There have been many predictions, mostly based on guesswork, that India’s AIDS problem will explode — as it did in southern Africa — but we now have direct evidence of something positive. The good news...

We are seeing a decline and it’s real and not due to study biases. Husbands’ use of sex workers has changed it’s less often and with condoms. That’s the only plausible explanation.

Governments have to take tobacco seriously. The key message is that it is possible to avoid up to three million deaths a year.

We have to identify the hot spots ? highways, factories, places where young men gather ? and scale up prevention efforts.