Recently, Sarah Holmes on the Herbal Highway Podcast discussed the many ways that leaves support us. From shelter and food to providing us with oxygen, it turns out we cannot live without leaves. Let’s look at the leaves and what they do for us.
A leaf is a principal appendage of the stem of a vascular plant. While the root is the inner most projection of the plant, the leaf is its outermost projection. During photosynthesis, the leaves use chlorophyll and energy from light to convert carbon dioxide (which we release when we breathe out) into oxygen (which we require to breathe in)! in one year a mature tree will absorb more than 48 pounds of carbon dioxide from the atmosphere and release oxygen in exchange. The leaves of one tree can provide a days supply of oxygen for up to 4 people.
Leaves as food
Leafy green vegetables include kale, collard, arugula, lettuce, spinach, romaine lettuce, and Swiss chard. The CDC has ranked these as some of the top “powerhouse” vegetables because they supply 10 percent or more of the daily value of 17 nutrients per 100 calories. They’re full of essential vitamins and minerals, like iron, calcium, magnesium, vitamin C, vitamin E, potassium, and vitamin K. Which leaves do you eat regularly? Which might you want to consider adding or trying?
Leaves as medicine
Leaves serve us as medicine when we eat them as food to supply us with nutrients. However, in small quantities, certain leaves have additional medicinal properties. For example, aloe vera has anti-inflammatory, antimicrobial, and wound healing properties. Peppermint is antimicrobial and anti-septic and can provide relief for headaches and nausea. And holy basil (tulsi) leaves can relieve stress and improve sleep.
Listen to Sarah Holmes talk about her love of leaves on the Herbal Highway Podcast

Leaves as paper
Although 93% of paper currently comes from trees, certain leaves such as yucca, hemp, iris and lilies can be used to make paper. The beauty of this approach is that deciduous trees shed their leaves each year and regrow new leaves in the spring. By using leaves to manufacture some of our paper, we lean into the natural rebirthing cycle of nature.
Summary
The leaves of one tree can provide a days supply of oxygen for up to 4 people. Leaves such as spinach, kale and arugula are also nutritional powerhouses supplying essential minerals and vitamins and certain leaves can even be used to make paper, sparing the lives of trees and enabling lifecycle of leaves and their benefits to us to multiply.
The Self-Care Solutions newsletter allows you to personalize your approach to health and well-being. It offers you choices. Safe choices. Evidence-based choices. The articles allow you to try on different options and see what works for you. Think of each as an invitation.
While not a substitute for care by your medical team, we’re here to support you in your quest for well-being!
Interested in Hero’s Journey Coaching? Contact me at ruthannrusso@gmail.com or visit https://ruthannrusso.com/be-coached/
Reference Links
Well loved leaves, 94.1 KPFA Herbal Highway (Berkeley, CA) Podcast
Sarah Holmes, Blue Otter School of Herbal Medicine
Effective Medicinal Plants in Cancer Treatment
Ginko Biloba Leaves – NIH Stat Pearls
Holy Basil (Tulsi) Leaves for Stress and Sleep
Properties of Aloe Vera and Its Major Constituents
Powerhouse fruits and vegetables, the CDC
The Power of One Tree: The Very Air We Breathe, USDA
Dr. Ruthann Russo, PhD, DAc
My clinical qualifications include a Doctorate in Acupuncture (DAc) from Pacific College of Health Sciences and a PhD in Integrative and Mind-Body Medicine from Saybrook University. I am nationally triple board-certified in Acupuncture, Lifestyle Medicine, and Health Coaching and earned certifications in Interactive Guided Imagery®, Facial Acupuncture and Microneedling, Yoga, Yoga Nidra teacher training, Acupuncture for Cancer Patients, Acupuncture for Detoxification, Mindfulness-Based Stress Reduction (MBSR), and HeartMath Biofeedback.
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