Oily fish may provide some protection against prostate cancer.

Oily fish containing Omega-3 fatty acids may provide protection from prostate cancer. See Chester Evening Leader

This appears to be genuine scientific research, i.e. not funded by sponsors with commercial interests in oily fish or Omega-3 fatty acids.

Reducing salt intake also reduces the risk of developing certain cancers.

Lose weight, reduce your risk of most cancers, high blood pressure, type 2 diabetes, heart disease, heart attack, vascular dementia, stroke, osteopenia, osteoporosis, hypercholesterolaemia, depression, liver and kidney problems, and improve your health in many other ways without drugs, hunger or expense by eating less salt! - Try it! - You will feel so much better! See my website www.wildeaboutsteroids.co.uk
The site does not sell anything and has no banners or sponsors or adverts - just helpful information.

Read my Mensa article on Obesity and the Salt Connection

And see Sodium in foods