conditions101, Author at Conditions 101

January 21, 2026January 21, 2026

What Is Mast Cell Activation Syndrome?

Adult man in a calm everyday setting with a thoughtful expression, representing an educational overview of mast cell activation syndrome. — An adult person in a relaxed, everyday environment illustrating an informational topic about mast cell activation syndrome. conditions101.com.

Mast Cell Activation Syndrome (MCAS) is a condition involving episodes of inappropriate or excessive activation of mast cells. Mast cells are part of the immune system and play an important role in allergic responses, inflammation, and protection against pathogens. In MCAS, these cells release chemical mediators too easily or too often, even when there is no clear threat.

This article provides a clear, educational explanation of Mast Cell Activation Syndrome for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Sound Sensitivity?

Adult woman in a calm everyday setting gently touching her ear, representing an educational overview of sound sensitivity. — An adult person in a relaxed, everyday environment illustrating an informational topic about sound sensitivity. conditions101.com.

Sound sensitivity refers to an increased awareness of or reaction to everyday sounds that most people find tolerable. Individuals with sound sensitivity may perceive certain noises as unusually loud, uncomfortable, distracting, or overwhelming, even when the volume is relatively low.

This article provides a clear, educational explanation of sound sensitivity for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Hyperthyroidism?

Adult woman in a calm everyday setting with a thoughtful expression, representing an educational overview of what hyperthyroidism is. — An adult person in a relaxed, everyday environment illustrating an informational topic about hyperthyroidism. conditions101.com.

Hyperthyroidism is a condition in which the thyroid gland produces more thyroid hormones than the body needs. The thyroid is a small, butterfly-shaped gland located in the front of the neck, and it plays an important role in regulating metabolism, energy use, and many body systems.

This article provides a clear, educational explanation of hyperthyroidism for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Chronic Fatigue?

Adult woman in a calm everyday setting appearing thoughtfully tired, representing an educational overview of what chronic fatigue is. — An adult person in a relaxed, everyday environment illustrating an informational topic about chronic fatigue. conditions101.com.

Chronic fatigue refers to persistent, ongoing tiredness or lack of energy that does not fully improve with rest. Unlike normal fatigue that follows physical activity, stress, or poor sleep, chronic fatigue tends to last for extended periods and can interfere with daily activities, concentration, and overall quality of life.

This article provides a clear, educational explanation of chronic fatigue for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Nerve Pain?

Adult man in a calm everyday setting with a thoughtful expression, representing an educational overview of what nerve pain is. — An adult person in a relaxed, everyday environment illustrating an informational topic about nerve pain. conditions101.com.

Nerve pain, also known as neuropathic pain, is a type of pain that occurs when nerves are damaged, irritated, or not functioning as they normally should. Unlike pain caused by injury to muscles or tissues, nerve pain originates from the nervous system itself and can feel very different from typical aches or soreness.

This article provides a clear, educational explanation of nerve pain for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Bloating?

Adult woman in a calm everyday setting resting on a couch, representing an educational overview of what bloating is. — An adult person in a relaxed everyday environment illustrating an informational topic about bloating. conditions101.com.

Bloating is a common digestive experience characterized by a feeling of fullness, tightness, or pressure in the abdomen. Many people describe bloating as a sensation that the stomach is swollen or stretched, even if there is no visible change in size. It can occur occasionally or more frequently, depending on individual digestive patterns and lifestyle factors.

This article provides a clear, educational explanation of bloating for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is Rosacea?

Adult woman in a calm everyday setting with visible facial redness, representing an educational overview of what rosacea is. — An adult person in a relaxed everyday environment illustrating an informational topic about rosacea. conditions101.com.

Rosacea is a long-term skin condition that primarily affects the face. It is most commonly associated with persistent redness, flushing, and visible blood vessels, particularly on the cheeks, nose, forehead, and chin. In some people, rosacea may also involve bumps, skin sensitivity, or eye-related symptoms.

This article provides a clear, educational explanation of rosacea for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is PTSD?

Adult woman in a calm everyday setting representing an educational overview of what PTSD is. — An adult person in a quiet, reflective everyday moment, illustrating an informational topic about PTSD. conditions101.com.

Post-traumatic stress disorder (PTSD) is a mental health condition that can develop after a person experiences or witnesses a traumatic event. Trauma may involve actual or perceived threats to life, safety, or well-being, and individuals respond to these experiences in different ways.

This article provides a clear, educational overview of PTSD for general informational purposes. It does not offer medical advice, diagnosis, or treatment.

January 21, 2026January 21, 2026

What Is High Blood Pressure?

Adult in a calm everyday setting representing an educational overview of what high blood pressure is. — Adult in a relaxed, everyday environment reflecting an informational topic about high blood pressure. conditions101.com.

High blood pressure, also known as hypertension, is a common health condition that affects how forcefully blood moves through the arteries. It is often described as a “silent” condition because many people have it without noticing obvious symptoms. Over time, consistently high pressure in the blood vessels can place strain on the heart and circulatory system.

This article explains high blood pressure in clear, everyday language for general informational purposes.

January 21, 2026January 21, 2026

What Does Brain Fog Feel Like?

Adult woman sitting in a calm living room with a thoughtful expression, representing an educational overview of what brain fog feels like. — A calm everyday moment illustrating how brain fog may affect mental clarity and focus. conditions101.com.

Brain fog is a commonly used term to describe a collection of cognitive sensations that affect mental clarity, focus, and thinking speed. It is not a medical diagnosis, but rather a way people describe feeling mentally “cloudy,” slowed down, or less sharp than usual.

This article provides an educational overview of what brain fog feels like, how it is commonly described, situations where it may be noticed, and how it can affect daily life. It is for general informational purposes only and does not provide medical advice, diagnosis, or treatment.