What is lactose intolerance?What are the main signs and symptoms of lactose intolerance?How is lactose intolerance diagnosed?What are some of the main medical treatments for lactose intolerance?Have any supplements been studied for lactose intolerance?How could diet affect lactose intolerance?Are there any other treatments for lactose intolerance?What causes lactose intolerance?Why aren’t all adults lactose intolerant?What’s the difference between milk allergy and lactose intolerance?Is lactose intolerance contagious?How is a dietary history used for diagnosing lactose intolerance?What is the lactose breath test?Which dairy foods are and aren’t suitable for a low-lactose diet?Why is there even lactose in milk, to begin with?Is dairy healthy for humans?