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Therefore, the quantity of oxygen available for the keratinocytes is lower in the basal layers of the epidermis compared to the top layers that are directly exposed to the air that surrounds us.

Earlier this year, Simmons revealed he had been diagnosed with skin cancer — specifically basal cell carcinoma — and received treatment to remove the cancerous cells.

Results show that DRN serotonin stimulation causes activation of the cerebral cortex and the basal ganglia, brain areas involved in many cognitive functions.

While freshwater freezes at zero degrees Celsius, saltwater freezes at minus two degrees, and that small difference is enough to contribute to the "vigorous melting" of basal ice as found in the study.

This technical advance allowed them to identify previously unseen pathways connecting the brainstem, thalamus, hypothalamus, basal forebrain, and cerebral cortex.