Early-onset poststroke dementia (PSD) depends on a complex interplay between features of the stroke lesion, such as large size or strategic site, and brain resilience, such as cognitive reserve and ...

While inflammatory bowel disease (IBD) can occur at any age, research shows that it tends to onset between ages 15 to 29. However, late- or early-onset IBD can still occur in those outside of this age ...

Incidence (Panel A) and mortality (Panel B) are age-adjusted to the 2000 U.S. population. Data are from the North American Association of Central Cancer Registries (2019), the National Center for ...

Cystic fibrosis is caused by genetic changes and is always present at birth. Although rare, cystic fibrosis isn’t diagnosed in some people who have mild symptoms until they’re adults. This is known as ...

Schizophrenia typically begins in late adolescence and young adulthood. Research estimates that the average age of onset for psychotic disorders like schizophrenia lies between ages 20 and 29, with ...

It is possible to develop new allergies as an adult. This can include food allergies and seasonal allergies, such as a pollen allergy. Allergies are often present from childhood, but new allergies can ...

Sleep-onset insomnia may be described as the inability to sleep when one is ready to, at the beginning of the night in most people. It may be temporary and acute, or chronic. It could manifest as ...

Sudden onset obsessive-compulsive disorder (OCD) may result from infections such as Lyme disease, mononucleosis, mycoplasma, and influenza. OCD is a chronic mental health condition. People with OCD ...