Excessive exposure of humans to UV-rays results in (This question has multiple correct options)

(a)Damage to immune system

(b)Damage to lungs

(c)Skin cancer

(d)Peptic ulcers

Effects of UV Rays

Prolonged exposure to ultraviolet (UV) rays can have serious harmful effects on both humans and animals. Excessive UV exposure may lead to:

• Eye irritation and damage
• Premature aging of the skin
• Skin cancers such as malignant melanoma
• Weakening of the immune system

Additional Information

• Nature of UV Rays: Ultraviolet rays are part of the electromagnetic spectrum and are invisible to the naked eye.
• Uses: Despite their risks, UV rays are widely used in screening, sterilization, and other processes.
• Health Hazards:
  • Excessive UV exposure can damage the eye’s dioptric system and retina, leading to both acute and chronic eye problems.
  • The skin, circadian rhythm, and immune system can also be negatively affected.
  • UV radiation can directly cause DNA damage, increasing the risk of cancers like malignant melanoma.
  • It also breaks down collagen in the skin, resulting in premature aging.

Final Answer

Excessive exposure of humans to UV rays results in damage to the immune system and skin cancer.