1. Unexplained Fatigue
Constant tiredness that doesn’t improve with rest could indicate more than stress. Cancer cells consume energy, weaken your immune system, and interfere with nutrient absorption, leaving you feeling drained.
2. Sudden, Unexplained Weight Loss
If you lose more than 5–10% of your body weight in a short period without dieting or exercise, it may be a red flag. Many cancers, especially those of the stomach, pancreas, and lungs, cause rapid weight loss.
3. Persistent Pain
Chronic pain that lingers without an obvious cause should be taken seriously. For example:
Back pain can signal bone or ovarian cancer.
Headaches that don’t respond to treatment may relate to brain tumors.
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4. Unusual Lumps or Swellings
A new lump under the skin, in the breast, neck, groin, or armpits can be one of the earliest symptoms of abnormal cell growth. Always have persistent lumps checked by a doctor.
5. Skin Changes
Your skin can reflect what’s happening inside your body. Watch out for:
Darkening, yellowing, or redness of the skin
Sores that don’t heal
New or changing moles
These may be linked to skin cancer or internal cancers.
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