Why do doctors want us to eat more unsaturated fatsSolutionU

Why do doctors want us to eat more unsaturated fats?

Unsaturated fats contain one or more double bonds in the fatty acid chain. these differ from saturated fats by possessing few hydrogen atoms bonded to their carbon chains. Doctors want us to eat more unsaturated fats because these fats are good for heart i.e protecting us from different heart diseases.