Multiple sclerosis

A painful visual disturbance in one eye in younger adults is often the first attack. Knowing that leads earlier to imaging — and so earlier to a preventive treatment.

A hot bath, sauna, fever or a warm summer day bring back complaints that had already gone. That is not a new relapse but a conduction problem that goes again with cooling.

Endurance and strength at a tolerable dose improve walking distance, balance and exhaustion. The old advice to take it easy has long since been dropped.

Put the hardest tasks in the best time of day, build in short breaks before the exhaustion comes. Pausing only when nothing works any more costs the whole afternoon.

Frequent urgency, residual urine and constipation are common and are rarely raised spontaneously. They can be treated well — and untreated residual urine leads to repeated infections.

Low values are common in this illness, and correcting them is simple and cheap. How strongly that shapes the course is being studied; the correction itself makes sense regardless.

A urinary infection or a feverish cold makes existing deficits stand out much more. Bringing the fever down helps more here than in others.

A threadworm can stay silent in the gut for decades and, under cortisone, biologicals or other immune suppression, flood lung and bloodstream. Anyone who ever went barefoot in the tropics or subtropics is looked for beforehand with a blood test — one effort, and it prevents the worst course this worm has.

Almost all patients had prior EBV; a large cohort study (2022) points to EBV as a near-necessary but not sufficient factor.

Consistent epidemiological association (latitude gradient); a causal contribution is likely but not proven.

Established risk and progression factor.

A real but reversible worsening from heat — not a new relapse or new damage. See “Heat intolerance”.

Disease-modifying therapies lower the number of relapses and new lesions. They do not repair existing damage. The earlier they start, the more can be prevented — that is the reason for the hurry at the beginning.

The disease usually starts between twenty and forty, and women are affected two to three times more often. It becomes more common with distance from the equator. In most people the course is relapsing, and the first years decide most about what remains.

Which symptoms appear depends on lesion location — highly individual.

Low levels are associated with higher risk and more disease activity.

Important for the differential — B12 deficiency can mimic MS-like neurological symptoms.

The strongest nutrition-related link — sun and intake shape the level.

Central for myelin and nerves — deficiency should be ruled out.

Clearly sensible when deficient; as a disease brake the evidence is mixed.

Clearly worthwhile and well supported when deficient — vegan, older adults, certain drugs. No energy boost without a deficiency.

Women are affected 2–3× more often; relapse activity often drops in late pregnancy.

MS destroys myelin — the fast, saltatory nerve conduction breaks down.

The further a country lies from the equator the more common MS is, and low levels are linked with more relapses. Whether supplementing changes the course has not been clearly shown. Both belong side by side.

Animal experiments showed more inflammation on very salty diets; in humans this is not confirmed. Excess weight in adolescence, however, is linked with higher risk in several cohorts.

Swank, Wahls, paleo and others are heavily promoted. None has so far shown an effect on relapses or disability in controlled trials. Anyone trying them should watch for nutrient gaps — that belongs to it.

Low levels go together with more frequent relapses; supplement after measuring.

Improves strength, walking distance and fatigue — resting worsens all three.

Heat temporarily worsens symptoms; cooling before movement makes it possible.

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