Since women are taking on more responsibilities at work and in the community, it is said that the number of women with stress from both child-rearing and work is increasing
The verb 'help' takes to-infinitives and bare infinitives but bare infinitives are said to be the most common in casual text; as also used in this example sentence
We experience and understand the world through signals that are received by the senses and interpreted by the brain - and both stages are subject to distortion