Long-term health effects highly associated with anorexia nervosa

Most people think of anorexia as extreme weight loss and fear of getting fat. But this dangerous eating disorder silently attacks nearly every organ system in your body, causing damage that can persist long after recovery.
While the focus often stays on the visible symptoms, the long-term health consequences of anorexia are what truly make it one of the deadliest psychiatric disorders.
Your heart takes a devastating hit

The cardiovascular system bears some of the heaviest burdens of anorexia, with up to 80% of patients experiencing cardiac complications. These aren’t minor issues – they’re potentially fatal problems like:
- Dangerously slow heart rate (sinus bradycardia)
- Heart rhythm disturbances that can trigger sudden death
- Structural changes to the heart muscle itself
- Reduced blood pressure that can cause fainting and falls
- Heart failure in severe cases
These cardiac issues don’t necessarily resolve when weight is restored. Your heart literally remodels itself during anorexia, and some of these changes can become your new normal.
Your bones become tragically fragile

Perhaps the most irreversible damage occurs to the skeletal system. Adolescence is critical for building bone density, but anorexia steals this opportunity, leading to:
- Osteopenia (early bone loss) in up to 90% of women with anorexia
- Full-blown osteoporosis in up to 40% of sufferers
- Dramatically increased fracture risk that persists for decades
- Permanently reduced height if the disorder occurs during growth years
The most heartbreaking part? This bone damage can begin just six months after anorexic behaviors start, and much of it is irreversible even after complete weight restoration. Fifty-year-olds with teenage anorexia histories often have the bones of eighty-year-olds.
Your hormones get completely rewired

The endocrine system essentially coordinates your entire body’s functions, and anorexia throws it into chaos:
- Reproductive hormones plummet, causing amenorrhea in women and low testosterone in everyone
- Thyroid function decreases, slowing metabolism even further
- Growth hormone resistance develops, potentially stunting height permanently
- Appetite hormones become dysregulated, complicating recovery
These disruptions don’t just cause immediate symptoms – they can permanently alter how your body processes and stores energy.
Your reproductive future faces serious threats
For many with anorexia, the impact on fertility and reproductive health comes as a devastating surprise years later:
- Difficulty conceiving even after weight restoration
- Higher rates of pregnancy complications like severe morning sickness
- Increased risk of premature birth and low birth weight babies
- Psychological struggles with the body changes of pregnancy
While many former anorexia patients do successfully have children, the journey is often complicated by the disorder’s lingering effects.
Your digestive system never quite works right again

Even years into recovery, many former anorexia patients continue to struggle with persistent gastrointestinal issues:
- Delayed stomach emptying causing bloating and early fullness
- Chronic constipation that doesn’t resolve with normal eating
- Persistent abdominal pain without clear physical cause
- Altered hunger and fullness cues that complicate normal eating
These digestive problems can make maintaining recovery especially challenging, as eating continues to be physically uncomfortable.
Your brain structure actually changes

Perhaps most disturbing are the neurological effects of prolonged anorexia:
- Brain atrophy (shrinkage) visible on brain scans
- White matter abnormalities affecting neural communication
- Cognitive problems with concentration, decision-making, and multi-tasking
- Altered sensory perception, particularly with taste and smell
While brain volume typically returns to normal with weight restoration, some cognitive effects can persist for years or even permanently.
Your blood can’t do its job properly
Anorexia severely impacts the hematological system – basically, your blood:
- Anemia leading to fatigue, weakness, and cold intolerance
- Reduced white blood cells causing increased infection risk
- Low platelet counts that can impair clotting and healing
These blood abnormalities make even minor illnesses more serious and slow recovery from injuries.
The brutal truth about survival rates
Anorexia has the highest mortality rate of any psychiatric disorder:
- People with anorexia are 5 times more likely to die prematurely
- They’re 18 times more likely to die by suicide
- The risk of death increases with duration of illness
This isn’t meant to frighten, but to emphasize the deadly seriousness of this condition and the urgency of early, aggressive treatment.
Recovery is possible, but time is of the essence
The longer anorexia persists, the more entrenched these health consequences become. However, many effects can be reversed or minimized with proper treatment:
- Medical care to stabilize acute complications
- Nutritional rehabilitation to restore weight and normalize eating
- Psychotherapy to address the underlying psychological issues
- Ongoing monitoring of health parameters most affected
The window for preventing permanent damage narrows the longer the disorder continues, making early intervention crucial.
The bottom line: Anorexia isn’t just about weight
Anorexia nervosa isn’t a diet or a phase – it’s a serious medical condition that attacks virtually every system in the body, with consequences that can last a lifetime.
Understanding these long-term health impacts emphasizes why early, comprehensive treatment is so critical. Even when the visible symptoms improve, the internal damage may continue to affect health for decades.
If you or someone you know is struggling with anorexia, don’t wait to seek help. The sooner treatment begins, the better the chances of preventing these devastating long-term health effects.