But the blue bar will work the other way and maybe halve the speed and double the force. So when we get to point (3), we have twice the speed and half the force that we had at point (1). That's what we'd expect from a pair of gear wheels where one (red) is twice the size and has twice as many teeth as the other (blue).
It also states that food poisoning is a known risk factor for irritable bowel syndrome and in fact, has its own version known as âpost-infectious irritable bowel syndromeâ (PI-IBS). This can occur following a bout of bacterial food poisoning.
How long does food poisoning last Symptoms may progress rapidly, within a few hours or slowly over days to weeks. In most cases food poisoning is not serious, and has a self limiting course (runs its course in 24-48 hours). Noroviruses a common cause of food poisoning causes mild illness (often termed stomach flu) with nausea, vomiting, diarrhoea, abdominal pain, headache, and low-grade fever.