"Dementia has emerged as a major health issue in the territory, " says Dr. Helen Chiu, a professor of psycho-geriatric medicine at the Chinese University.

CNN: SPECIAL REPORT: HEALTH

"There'll never be enough geriatric psychiatrists or geriatric medicine specialists to take care of this huge wave of people that are aging, " Kirwin said.

MSN: Boomers will be in need of mental health care, report finds

Speaking to BBC Radio 4's Today programme, Peter Crome, emeritus professor of geriatric medicine at Keele University, explained what the drive was aiming at.

BBC: Nurses in drive for 'compassionate care'

In reality, the scans are more likely to pick up "incidentalomas"--blips that don't necessarily mean anything but require a follow-up test, says Dr. Roseanne Leipzig, professor of clinical and geriatric medicine at Mount Sinai School of Medicine.

FORBES: The Scary Side Of Health Testing

The statement said the merger might reduce the hospitals' incentives to improve the quality of specialist services, which include rheumatology, rehabilitation, general medicine, general surgery, geriatric medicine, dermatology, clinical haematology, oral and maxillofacial surgery, cardiology and palliative medicine.

BBC: Hospitals merger referred to Competition Commission

While the supposition that men think about sex more than women isn't new, the paper's findings have wider implication for attitudes toward public health and how patients respond to doctors' advice, said Dr. Stacy Tessler Lindau, an associate professor of obstetrics and gynecology and geriatric medicine who spearheaded the research.

CNN: Healthier men want more sex for more years