P - P.c.e, Pacerone, Pamelor, Parafon, Parlodel, Paxil, Paxil Cr, Pentasa, Pepcid, Periactin, Periostat, Phenergan, Phenytek Er, Phoslo, Plan B, Plavix, Plendil, Pletal, Ponstel, Prandin, Pravachol, Precose, Premarin, Premarin 28s, Prevacid, Prilosec, Principen, Pro-banthine, Probalan, Procardia, Prograf, Propecia, Proscar, Protonix, Proventil Cr, Proventil Sulfate, Provera, Prozac, Pyridium

A pill for chest pains that costs around £10 per week could save the lives of thousands of heart failure patients.

Both low-fat and low-carb diets work equally well to help people lose weight over two years, new research has shown.

Screening older men with the PSA blood test could cut prostate cancer deaths by around half, according to a new study.

The number of antidepressants prescribed by the NHS has almost doubled in the last decade, and rose sharply last year as the recession bit, figures reveal.

Overtime is bad for the heart, according to researchers who followed the careers of more than 6,000 Whitehall civil servants.