Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease, is a progressive and fatal neurological disease that affects nerve cells responsible for controlling voluntary muscles.
Individuals with ALS gradually lose their ability to move, speak, swallow, and breathe, leading to disability and eventually death.
Currently, there is no cure for ALS, and the available treatments only offer limited relief of symptoms. However, early detection and prompt intervention can help improve quality of life and prolong survival.
In this article, we will discuss the risk factors for ALS and the signs to look out for.
Who is at risk for ALS?
ALS is a rare disease that affects approximately two in every 100,000 people worldwide. It can affect anyone, regardless of age, gender, or ethnicity, although it is more common among individuals aged 40-70 years.
There appear to be both genetic and environmental factors that can increase the risk of developing ALS. Familial ALS accounts for approximately 10% of all cases, and it is believed to be caused by inherited genetic mutations.
The remaining cases, known as sporadic ALS, have no known genetic cause.
Various environmental factors have been associated with an increased risk of ALS, although the evidence is inconclusive. Some of these factors include:.
Age
The risk of developing ALS increases with age, with the majority of cases occurring in individuals aged 40-70 years. However, there are also cases of ALS that occur in younger adults and even children.
Sex
Men are slightly more likely than women to develop ALS, although the reason for this is unclear.
Genetic factors
Approximately 10% of all cases of ALS are inherited, meaning that they are caused by genetic mutations that are passed down within families.
Environmental factors
Various environmental factors have been associated with a higher risk of ALS, including smoking, exposure to toxins, and viral infections. However, the evidence is inconclusive.
What are the signs of ALS?
ALS typically begins with muscle weakness or twitching, which may be mild at first but gradually become more pronounced over time. The symptoms of ALS vary from person to person and depend on which parts of the body are affected.
The following are some common signs and symptoms of ALS:.
Muscle weakness
ALS causes progressive muscle weakness and atrophy, which can affect any part of the body. The weakness is typically more pronounced on one side of the body or in one limb.
Difficulty speaking or swallowing
Many individuals with ALS have difficulty speaking or swallowing. This is because the muscles that control these functions become weakened over time.
Muscle cramps and twitching
ALS can cause muscle cramps, twitching, and spasms, particularly in the arms and legs.
Difficulty breathing
In later stages of the disease, individuals with ALS may have difficulty breathing, which can lead to respiratory failure and death.
Unintended weight loss
As the muscles become weakened, individuals with ALS may experience unintended weight loss.
Fatigue
Many individuals with ALS experience fatigue, which can make it difficult to perform everyday tasks.
Conclusion
ALS is a progressive and fatal neurological disease that affects nerve cells responsible for controlling voluntary muscles. While there is no cure for ALS, prompt intervention can help improve quality of life and prolong survival.
If you or a loved one is experiencing any of the signs and symptoms of ALS mentioned in this article, it is important to seek medical attention immediately.