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The sophisticated human immune system has evolved to become an effective protection system against a great number of diseases, including cancer. The immune system recognizes and destroys cancer cells using a monitoring process called immunological surveillance. However, like Dr. Jekyll and his alter ego Mr. Hyde, the immune system sometimes takes on an alternate personality and favors tumor development instead of destroying cancerous cells. This dual behavior makes it difficult to detect prognosis indicators and targets for drug development. In fact, one of the big challenges in oncology is the development of better, more effective immunotherapy.

Bloated stomach? Gassy? Tummy cramps? These common symptoms can be uncomfortable and embarrassing. Nutritionist Rick Hay reveals 5 causes of bloating and what you should do to help beat the bloat

Gut symptoms such as a bloated stomach, flatulence, constipation and tummy cramps can make your life an uncomfortable living hell.

Bloated, gassy, stomach cramps – are some of the most Googled online health searches. Why? Because 70 per cent of people regularly experience bloated belly troubles.

Those who do suffer, will know that a bloated stomach can prompt a whole host of issues that go far beyond physical discomfort