What is one of the main trigger for autism in current generation?

The research has found that exposing infants or kids less than Two years of age to 2 hours of screen time every day can trigger autism and other significant developmental delays. To avoid environmental factors which can trigger autism, it is suggested for parents or care givers to interact with kids and socialize them instead of exposing them to screen time. The research also shows the autism rates are high in nuclear family where the usage of gadgets or multimedia is high.