If swallowing issues persist beyond minor infections, seek evaluation.

8. Persistent Indigestion or Heartburn

Chronic indigestion that does not respond to typical treatments may indicate:

• Stomach cancer

  • Esophageal  cancer

    Cancer

  While heartburn is extremely common and usually harmless, worsening or persistent symptoms deserve medical review.

  9. Changes in a Mole or Skin Lesion

  Skin cancer, including melanoma, often begins with subtle skin changes.

   

   

  Warning signs include:

  • Asymmetry

  • Irregular borders

  • Color variation

  • Diameter larger than a pencil eraser

  • Evolution (changing over time)

  The ABCDE rule is commonly used to evaluate moles.

Early detection of melanoma dramatically improves outcomes.

10. Frequent Infections or Unexplained Fevers

Some blood cancers, such as leukemia or lymphoma, may cause:

• Frequent  infections

• Low-grade fevers

• Night sweats

Because these symptoms resemble viral illnesses, they’re often dismissed.