Answer:

Beneficial Effects of Light on People and Object:

1.natural light helps our bodies produce Vitamin D.

2.improves our circadian rhythms and sleep patterns, helps us to focus, enables us to get more done.

3. it also make us happy.

HARMFUL EFFECTS OF LIGHT ON PEOPLE AND OBJECT:

1. People are more prone to cardiovascular disease, depression, insomnia, and many other sleep disorders.

2. Constant exposure to artificial light can also make melatonin production irregular, and in worst case scenarios may cause cancer.

3.negatively affect human health, increasing risks for obesity, depression, sleep disorders, diabetes, breast cancer and more.

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