Christina Applegate was asked once if she has made peace with her multiple sclerosis diagnosis.
Her answer was blunt.
“Acceptance? No. I’m never going to accept this. I’m pissed,” she said.
That honesty is the whole reason her story resonates. She is not selling inspiration.
She is describing what it actually looks like to keep living, and sometimes keep moving, with a disease that does not go away.
Who Christina Applegate Is and Her Real Situation Today
Applegate has been a familiar face on American television for more than four decades.
She played Kelly Bundy on Married… with Children as a teenager, then built a long career in film and television that included Anchorman and the Netflix series Dead to Me.
In August 2021, while filming the final season of Dead to Me, Applegate revealed she had been diagnosed with multiple sclerosis, often shortened to MS.
She announced it herself in a post, writing that she had “been so supported by people that I know who also have this condition.”
Her symptoms had actually started months earlier, with tingling in her toes in early 2021.
By that summer, her legs were giving out on set, and a wheelchair had to be brought in between takes.
This was not Applegate’s first serious health fight. She was diagnosed with breast cancer in 2008 and had a double mastectomy.
She later learned she carries the BRCA1 gene mutation, which raises cancer risk, and had her ovaries and fallopian tubes removed in 2017 as a preventive step.
Applegate has continued speaking publicly about her MS in the years since her diagnosis. In November 2022, she appeared barefoot at her Hollywood Walk of Fame ceremony and explained why.
“Barefoot. For some with MS the feeling of shoes may hurt or make us feel off balance,” she wrote.
In March 2024, she disclosed that scans had found 30 lesions on her brain, with the largest one sitting behind her right eye.
She described MS bluntly that day: “This is the worst thing that has ever happened to me.”
By late 2024, she said pain had begun to confine her largely to bed, affecting her hands and feet with sharp, persistent discomfort.
She also manages hypothyroidism, a separate condition involving an underactive thyroid gland.
In March 2026, Applegate published a memoir called “You with the Sad Eyes,” writing candidly about her health and her life.
She also co-hosts a weekly podcast called MeSsy with actress Jamie-Lynn Sigler, who has lived with MS for more than two decades.
In late March 2026, Applegate was hospitalized with a painful kidney infection, according to entertainment news outlets covering the story.
She gave a health update the following month, writing on Instagram, “Health issues are a constant for me, but I’m a strong chick and I’m getting stronger and better every day.”
What Multiple Sclerosis Actually Is, in Plain Terms
Multiple sclerosis is a disease of the brain and spinal cord, together called the central nervous system.
In MS, the body’s own immune system mistakenly attacks myelin, the protective coating that wraps around nerve fibers.
Myelin works like insulation on an electrical wire. It helps nerve signals travel quickly and cleanly between the brain and the rest of the body.
When myelin is damaged, those signals slow down or get interrupted entirely. That disruption is what causes MS symptoms.
Those symptoms vary enormously from person to person, because they depend on exactly which nerves are affected.
Common symptoms include numbness or tingling, vision problems, extreme fatigue, muscle weakness, and trouble with balance or coordination.
Applegate’s own symptoms, including leg weakness, brain lesions, and pain, fit this well documented pattern.
MS has no cure. Several disease-modifying medications can slow flare-ups for some people, and researchers continue studying the disease actively, but there is currently no way to reverse existing nerve damage.
What Current Research Says About Movement and MS
For a long time, doctors told people with MS to rest and avoid exertion.
That advice has changed substantially in the last two decades.
A major review published in Nature Reviews Neurology examined the accumulated evidence on exercise and MS (Motl & Pilutti, 2012).
The authors found that structured exercise training produced real, measurable improvements in muscle strength, aerobic capacity, and the ability to walk.
It also improved fatigue, gait, balance, and overall quality of life across the studies they reviewed.
A separate Cochrane review, one of the most rigorous forms of medical evidence, looked specifically at exercise therapy trials in people with MS (Rietberg et al., 2005).
That review also found real benefits for muscle strength and general exercise tolerance, without evidence of exercise causing harm in the populations studied.
Neither review claims exercise works the same way for every person with MS. Disability level varies enormously across the disease, and a person managing severe symptoms needs a very different plan than someone with mild, early symptoms.
The old advice to rest and avoid exertion has largely been replaced. The real question for most people with MS is not whether to move, but how to move safely.
Why Movement Can Help a Nerve Disease Like MS
It can seem strange that exercise helps a disease that damages nerves. The explanation lies in what exercise actually changes in the body.
MS does not just damage nerves directly. It also leads to muscle weakness and deconditioning from reduced activity, the same way any illness that limits movement can weaken muscles over time.
Structured exercise can rebuild some of that lost strength and stamina, even if it cannot repair the underlying nerve damage.
Aerobic exercise also improves cardiovascular fitness, which can make daily tasks like walking or climbing stairs feel less exhausting.
Balance and coordination training can reduce fall risk, an important consideration since MS often affects the exact systems that keep a person steady on their feet.
There is also a heat sensitivity factor unique to MS that matters for exercise planning.
A phenomenon called Uhthoff’s phenomenon, named after the doctor who first described it, affects roughly 60 percent of people with MS, according to the MS Trust, a UK-based nonprofit focused on MS research and support.
Rising body temperature can temporarily worsen MS symptoms like fatigue, blurred vision, and weakness, even without causing any new nerve damage.
Symptoms from heat exposure typically fade once the body cools back down. That is why exercise recommendations for MS often include timing sessions for cooler parts of the day and using cooling strategies during activity.
What This Evidence Does Not Prove
This research does not prove that exercise can reverse MS or stop it from progressing.
The reviewed studies measured function, symptoms, and quality of life, not whether exercise changes the underlying disease process in the brain and spinal cord.
The evidence also does not translate directly to every person with MS, regardless of how advanced their disease is.
Applegate herself has described being confined largely to bed by pain at times.
The exercise trials behind this research mostly involved participants who could still perform structured exercise sessions, which does not describe every stage of this disease.
This research also does not mean that any specific exercise or amount is safe for any specific person with MS.
MS symptoms, medications, and disability levels vary so widely that general findings cannot substitute for guidance based on one person’s actual condition.
Who Should Talk to a Doctor First
Anyone with MS should build an exercise plan together with their neurologist, not from a general article like this one.
A neurologist can explain how a person’s specific type of MS, current symptoms, and medications should shape any activity plan.
A physical therapist with experience treating MS can design exercises that match a person’s actual strength, balance, and fatigue levels.
Anyone experiencing a new or worsening symptom, including vision changes, new weakness, or a change in balance, should contact their care team before starting or changing an exercise routine.
Anyone managing significant fatigue or pain, the way Applegate has described, needs a plan built specifically around those limits, not a generic workout routine.
Anyone newly diagnosed with MS should ask their neurologist directly whether and how exercise fits into their treatment plan, since guidance can vary based on disease type and severity.
A Practical Approach to Movement With a Chronic Illness
Applegate’s story is not a workout plan, and it was never meant to be one.
But her openness about limits, and the honest “I’m pissed” refusal to pretend everything is fine, points toward something genuinely useful for anyone managing a chronic illness.
Pacing matters more than intensity. Many chronic conditions involve a limited amount of daily energy, and pushing past that limit can cause setbacks that take days to recover from.
Short sessions count. Ten minutes of movement, done consistently, often does more for long-term function than one exhausting session followed by days of rest.
Seated or supported exercise is still real exercise. Strength and mobility work can happen in a chair or in bed when standing is not safe or possible that day.
Temperature matters for some conditions, MS very much included. Exercising in cooler rooms, at cooler times of day, or with cooling towels can prevent symptoms from spiking during activity.
Progress should be measured by function, not appearance. Being able to stand up from a chair more easily, or walk a few more steps than last month, is a meaningful win even if nothing looks different from the outside.
Working with a physical or occupational therapist is not a last resort. It is often the safest and most effective way to build a realistic plan for a body that is dealing with more than most fitness advice assumes.
Our look at what current research shows about low-impact movement like Pilates for older adults covers a related question: how gentler, structured movement can still produce real, measurable benefits for people who cannot do high-intensity training.
The same principle applies to managing prolonged time spent lying down or sitting, a real concern for anyone dealing with fatigue or mobility limits, which we cover in our piece on whether standing is actually better than sitting.
Recovery from a major medical setback, whatever form it takes, tends to go better with structured professional guidance rather than guesswork, a pattern also visible in our look at Misty Copeland’s hip replacement recovery.
Applegate has never framed her MS as a fitness journey with a finish line. She has framed it as something she manages, one day at a time, with anger, humor, and honesty in roughly equal measure.
That may be the most useful takeaway of all. Managing a chronic illness is not about winning against it. It is about finding what still works, on the days it works, and asking for help on the days it does not.
References
Motl, R. W., & Pilutti, L. A. (2012). The benefits of exercise training in multiple sclerosis. Nature Reviews Neurology, 8(9), 487 to 497. https://doi.org/10.1038/nrneurol.2012.136
Rietberg, M. B., Brooks, D., Uitdehaag, B. M. J., & Kwakkel, G. (2005). Exercise therapy for multiple sclerosis. Cochrane Database of Systematic Reviews, Issue 1, CD003980. https://doi.org/10.1002/14651858.CD003980.pub2
MS Trust. Heat sensitivity and MS: Uhthoff’s phenomenon. Retrieved 2026 from mstrust.org.uk.
This article is for general information only and is not medical advice. Multiple sclerosis affects every person differently. If you have MS or another chronic illness, talk to your doctor or a physical therapist before starting or changing any exercise routine.
