Stepping on the scale, you suddenly notice your weight has dropped significantly over several days, and you can't help but smile:
Is this heaven's way of making me slim as lightning?
But then you glance at the dust-collecting gym equipment and your unchanged appetite, and doubts creep in:
I haven't been dieting, so how did I suddenly lose weight?
If your weight drops unexpectedly without cause and is accompanied by fatigue, be vigilant—it might be your body's health warning before illness strikes.
Sudden weight loss could signal a health alert
Unexplained weight loss may stem from underlying disease.
Medicine recognizes a category of conditions called "progressive illnesses," typically translated in Chinese as"progressive disease."
Unlike common illnesses, these diseases gradually and persistently damage the body until it collapses. Like ants burrowing into a dam, the initial damage seems insignificant, but as the dam weakens, even a thousand-mile barrier can collapse from an ant hole.
The two most common symptoms of such progressive diseases are:
Unexplained weight loss
Persistent fatigue and weakness
When both symptoms appear simultaneously, be vigilant—some disease may already be undermining your health.
How much weight loss warrants concern?
If you haven't been intentionally dieting or exercising to lose weight, a weight loss of 4.5–5kg (9–11 lbs) or 5% of your total body weight over 6 to 12 months is considered abnormal.
It's crucial not to mistake sudden weight loss for unexpected weight loss success. Remember, there's no such thing as a free lunch.
What conditions might cause sudden weight loss?
Ten common diseases can lead to unexplained weight loss:
Diabetes
Depression
Cancer
Tuberculosis
Chronic Obstructive Pulmonary Disease (COPD)
Parkinson's Disease
HIV Infection/AIDS
Hyperthyroidism
Addison's disease
Crohn's disease
It's important to note that sudden weight loss is one symptom of these conditions, but not the only one.For example:
Diabetes is often accompanied by increased urination and abnormal thirst;
Hyperthyroidism may present with palpitations;
Tuberculosis can involve coughing, sputum production, and hemoptysis;
Crohn's disease may cause abdominal pain, diarrhea, and gastric ulcers.
Therefore, self-diagnosing these conditions based solely on weight loss is unscientific, just as ignoring the potential harm of sudden weight loss is.
What should you do if you experience sudden weight loss?
The best approach is to seek medical diagnosis at a hospital.