Can cockroaches cause asthma.

Can traffic-related air pollution cause asthma?

Does sleep cause nocturnal asthma?

The effects of sleep interruption and deprivation were studied in 21 patients with nocturnal asthma. Seven patients were awakened at 0200 on three consecutive night and exercised for 15 minutes. This produced no significant improvement in the overnight fall in peak expiratory flow rate (PEFR) compared with a control night of uninterrupted sleep. In a second study in five patients PEFR was measu...

Can Smoking Cause Depression?

Can tattoos cause cancer?

Myth: Tattooing has risen in popularity, but can this body art increase the risk of cancer? Answer: Tattoos and body piercings have been prevalent for thousands of years in many cultures. Tattooed mummies from Egypt, Peru, and the Philippines have been radiocarbon dated to 2000 BC. The word tattoo is derived from the Tahitian word ta-tau, which means “the result of tapping.” Modern artists use ...

Khat chewing can cause stroke.