Hot weather can make you feel sluggish and tired, but this means that some of the most common symptoms of a serious illness - like sweating and confusion - can be easily missed or overlooked.
Due to the recent record heat, the American Cancer Society has warned that people could be missing these warning signs for pancreatic cancer - the 10th most common but 5th most deadly of UK cancers.
Spending too long in the sun, not drinking enough water, and getting heat stroke can all induce the same symptoms as a form of the disease called a pancreatic neuroendocrine tumour.
