Research finds that people who eat diet rich in animal protein carry similar cancer risk to those who smoke 20 cigarettes each day and also tracked thousands of adults for nearly 20 years found that people who eat a diet rich in animal protein are four times more likely to die of cancer than someone with a low protein diet.
Nutritional advice to cut down fat, sugar and salt in the diet. The World Health Organisation will be suggesting the guidelines on lower sugar consumption, but there have few warnings about excess protein. The researchers define a high-protein diet as consuming at least 20% of daily calories from protein and about 0.8g (0.03oz) of protein per kilogram of body weight every day in middle age.
The researchers also added red meat, dairy products high in protein are also dangerous. A 200ml (7fl oz) glass of milk represents 12% of the recommended daily allowance, while a 40g (1.4oz) slice of cheese contains 20%.Chicken, fish, pulses, vegetables, nuts and grain are healthier sources of protein. However, a chicken breast or salmon fillet still accounts for about 40% of recommended daily protein intake.
Prof Naveed Saattar, an expert in metabolic medicine at Glasgow University, protein controls the growth hormone IGF-I, which helps bodies grow but has been linked to cancer susceptibility