Fussy can be dangerous Orthorexia ? an obsessional interest in the quality and purity of food ? can lead to severe weight loss and social isolation, writes Raj Persaud.

Embryos to be tested for cancer Scientists are granted permission to screen test tube embryos for an inherited form of bowel cancer.

Natural protein can starve cancer A protein present in normal body tissue could hold the key to preventing tumour growth, researchers say.

Cost of temporary nurses soars The cost of temporary nursing staff has trebled, says a report, warning of a fragile future for the profession.

Embryos to be screened for cancer Scientists are granted permission to screen test tube embryos for an inherited form of bowel cancer.

Hospitals face doctor shortage Casualty departments face a staffing crisis as doctors leave for better paid jobs as GPs, doctors leaders warn.

Cystic fibrosis care under attack Almost a third of cystic fibrosis patients face problems obtaining life-saving treatment, research suggests.

Nursing shortage denied Claims there may be a nursing shortage after a report pointed to rising numbers leaving for the US are denied.

Stethoscope hears kidney stones Scientists develop a "smart stethoscope" that can hear when a kidney stone has been successfully shattered.

Complex cause for brittle bones A mix of bad genes and poor nutrition may be responsible for cases of brittle bone disease, research suggests