What it looks like: You’re losing weight without trying—no changes to diet, exercise, or lifestyle.
How much matters: A loss of 10 pounds or 5% of your body weight over 6-12 months is worth investigating.
Why it happens: Cancer cells compete for nutrients, and some cancers alter your metabolism or produce substances that break down fat and protein.
What to do: See your doctor, especially if accompanied by fatigue or fever.
2. Persistent Fatigue
What it looks like: Exhaustion that doesn’t improve with rest. Sleep doesn’t fix it. Coffee doesn’t touch it.
Why it matters: Unlike normal tiredness, cancer-related fatigue is deeper, longer, and unrelenting. It can result from blood loss, metabolic changes, or the body’s constant effort to fight something.
What to do: If rest doesn’t restore you—for weeks—get checked.
3. Unexplained Pain
What it looks like: Pain that persists without injury. A headache that won’t quit. Back pain that doesn’t respond to rest. Pain that wakes you at night.
Why it matters: Persistent, unexplained pain can be an early sign of bone cancer, brain tumors, or cancers that have spread.
What to do: Don’t dismiss chronic pain as “just getting older.” Patterns matter.
4. Skin Changes
What to watch for:
New moles or spots
Changes to existing moles (size, shape, color)
Sores that don’t heal
Yellowing skin or eyes (jaundice)
Darkening, reddening, or itching of skin
The ABCDE rule for moles:
Asymmetry: One half doesn’t match the other
Border: Irregular, scalloped, or poorly defined edges
Color: Varied shades of brown, black, tan, red, white, or blue
Diameter: Larger than 6mm (about pencil eraser size)
Evolving: Changing in any way
What to do: See a dermatologist for any concerning spots.
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