Hemp

used to alleviate chronic pain, neuropathic pain.

Anti-inflammatory.

helps to reduce anxiety, depression, stress and helps you sleep.

shown potential in protecting brain health, reducing symptoms of neurodegenerative diseases like Alzheimer’s, Parkinson’s, and multiple sclerosis.

used for treating rare forms of epilepsy like Dravet syndrome and Lennox-Gastaut syndrome.

Hemp seed oil, rich in omega-3 and omega-6 fatty acids, supports heart health by improving cholesterol levels and reducing blood pressure.

Hemp seeds contain 30-35% oil by weight and can be cold pressed like olives or sunflower, and the oil can be converted into biodiesel. Amish use this oil for their vehicles.
Mix the oil with methanol and a small amount lye, which acts as a catalyst. When the mixture reacts, it separates into two layers. Top layer ends up being raw biodiesel and bottom layer is glycerin (you can use glycerin to make soap). You wash the biodiesel with water and once it's dried of the water, you can pour it straight into any diesel engine.
After you harvest hemp seeds for oil, you have the rest of the hemp stalk. the rest of the stalk is rich in woody fibrous cellulose. the process of cellulolysis (Cellulolysis is the enzymatic decomposition of cellulose) breaks down the cellulose into simple sugars.
the sugars are fermented and the fermentation produces ethanol. That alcohol is used in every gallon of regular gas you find at gas stations; E10 (10% ethanol). Also Henry Ford literally made a car made from hemp, soy, straw, and flax, bound together with resin. Made to run on hemp oil.
https://www.youtube.com/watch?v=jl9peJKkf1M
1 acre of hemp produces 700lbs of grain. Pressing that grain gives you 22 gallons of hemp oil, which you can convert to 20 gallons of biodiesel.
That 1 acre harvest also gives you 5000lbs of stalk, which you can get cellulose from and turn into ethanol to get regular e10 gas.

Hemp contains calcium, magnesium, and other nutrients that support bone density and may help prevent osteoporosis.

may reduce cravings and withdrawal symptoms.

Hemp oil is applied topically for cuts, burns, and skin irritations.

may interfere with medications like blood thinners or anti-seizure drugs.

can clean contaminated soils through a process called phytoremediation, which involves using plants to remove, stabilize, or degrade pollutants.
hemp was planted in contaminated areas around Chernobyl to reduce radioactive contaminants in the soil.
Its deep roots absorb heavy metals like cesium-137 and strontium-90, two harmful radioactive isotopes. also effective at absorbing heavy metals like lead, cadmium, arsenic, and mercury.
The plant absorbs heavy metals and other pollutants through its roots, storing them in its stalks and leaves, effectively reducing soil contamination. basically do not use hemp that was planted on contaminants like that.

Hemp has been shown to absorb and degrade residual pesticides in agricultural fields.

can even help clean up petroleum and hydrocarbon spills by breaking them down into less harmful substances.

can remove polycyclic aromatic hydrocarbons (PAHs) and other persistent organic pollutants (POPs) from soil and water systems.

Nitrogen and Phosphorus Runoff:

The plant reduces nutrient pollution caused by agricultural runoff, which often leads to algal blooms (algal bloom is a rapid increase in the amount of algae in a body of water) and water eutrophication.

Hemp produces paper, cheaper and faster than wood pulp.

you could also grow this in conjunction with cotton. you can have hemp fabric/clothing.

apparently hemp clothing is the best out there. calming feeling when touching your skin, and is extremely strong and durable.

Hemp is a sustainable, durable, and biodegradable alternative to petroleum-based nylon, offering high tensile strength, natural moisture-wicking, and antibacterial properties. Primarily used in textiles and apparel, hemp fibers are often blended with materials like cotton or lyocell to create breathable, soft, and durable fabrics that do not shed microplastics.