Learn more about personaldevelopment with this collection
Navigating and enjoying the thrill of horror and scare experiences
Historical knowledge of Halloween and its origins
Understanding and appreciating Halloween traditions worldwide
Spring and Vitamin D
Research associates a deficiency in vitamin D with depression. Spring is when we can expect to start making vitamin D from sun exposure.
However, if the UV index is less than two, then you will not make enough vitamin D in a reasonable time. To get the full benefit, you have to expose unprotected skin.
15
90 reads
MORE IDEAS ON THIS
The two spring dates
For people living in the northern hemisphere, spring has two official start dates.
Meteorologists consider 1 March a spring day, according to the seasons formalised in the 1900s. However, the astronomical seasons show spring starting at the vernal equinox, which falls on 2...
14
160 reads
Effects of bright light
The good light at the onset of spring is brighter and makes spring feel so central. Daylight is noticeably increasing in length, and the sky is bluer.
Bright light can make us happier. It can be as effective in treating depression as Prozac. Some data reveals that ...
17
76 reads
Equinoxes and the circadian rhythm
The spring and autumn equinoxes lie halfway between the shortest and longest days of the year. At these points, day and night are mostly even lengths all over the world.
These conditions may suit the human circadian rhythm - the daily cycle that affects the body's sleep, w...
18
86 reads
Related collections
More like this
Vitamin D and sunshine
Vitamin D is essential for calcium absorption and many other biological processes. Lower levels of Vitamin D increase the rates of almost every disease like cancer, diabetes, osteoporosis, cognitive impairment, autoimmune conditions and more.
Vitamin D is a hormone manufactured by the skin ...
Allergies And The Lack of Vitamin D
Lack of Vitamin D is playing havoc to the development of our immunoregulatory systems. The more we stay indoors, the less sun we get in our bodies, making it produce less of Vitamin D.
We also get allergic to the sun and apply sunscreens, which many studies point out are not as helpful as ...
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving & library
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Personalized recommendations
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates