A doctor has discussed three crucial early warning signs that could signal a stroke is on the way. These symptoms may appear days before the more recognisable stroke indicators become obvious. Dr Eric Berg DC, an expert in healthy ketosis and intermittent fasting and author of the bestseller 'The Healthy Keto Plan', posted the advice on his TikTok page, where he has 2.1 million followers. The clip was titled: "These are three early warning signs of a stroke" has racked up more than 713k views