Pharmacist shares 4 warning signs of condition affecting one in five peopleCommon diabetes signs may seem like nothing at first, but leaving the condition undiagnosed and untreated can have devastating consequencesView 3 Images Feeling constantly hungry and tired can be warning signs of a number of conditions (Image: GETTY)One in five people across the UK is thought to be living with diabetes or pre-diabetes, yet countless more could be missing crucial warning signs of this serious condition until it is too late. In fact, many people have Type 2 diabetes without even realising, therefore it's important to be aware of the signs. ‌"Common signs of diabetes include feeling more thirsty than usual. These warning signs can also point to a range of other health conditions, so experiencing a handful doesn't guarantee you'll be diagnosed with diabetes. "Increasing your daily physical activity can support weight loss and also help combat the effects of prediabetes and Type 2 diabetes.