Sexual Activity is Associated with Changes in Inflammatory Biomarkers. In older adults (average age ~66), research shows more frequent sexual activity relates to lower levels of inflammation biomarkers such as C‑reactive protein (CRP) and fibrinogen.
Even dim light at night can suppress sleep hormones
Exposure to very low levels of light (~30 lux for 1 hour) can significantly suppress melatonin production, making it harder to sleep.
An erection is a vascular process where the corpora cavernosa fill with blood, increasing in length and thickness, often initiated by the parasympathetic nervous system.
Those teasing conversation hearts raining down my bare skin started as medicinal lozenges in 1847. Boston pharmacist Oliver Chase invented America's first candy-making machine to cut them efficiently, before his brother Daniel added messages in 1866, tu