Start this course by getting to know your teacher, Jeff Krasno, and learn about how his personal health issues inspired him to deep dive into good stress protocols. This course offers an in-depth look at the protocols, so you can better understand how good stress, or eustress, a form of deliberate acute short-term stress, can benefit your health and longevity.

Day 1 is all about fasting! Learn about the history and science behind fasting and why fasting is a good stress for your body.

The benefits of deliberate cold-water therapy run much deeper than treating inflammation. This good stress protocol offers mental resilience, mood elevation, and optimal metabolism function. Cold is cool! But we have to warm up to wanting to use it in our everyday lives again, like people from the past have done for centuries. By breaking through “walls” of discomfort, as Andrew Huberman puts it, you will build the capacity to think clearly and react appropriately under stress.

The legendary Greek physician, Hippocrates, also known as the “Father of Medicine” once stated, "Give me the power to produce fever, and I will cure all disease." Deliberate heat therapies have been utilized around the world for millennia including saunas in Finland, onsens in Japan, banyas in Russia, hammams in Turkey, and sweat lodges in Native American culture. Learn why this practice has been used across so many cultures for thousands of years.

Exercise represents one of the most important practices you can adopt to foster longevity and healthspan - so it warrants a little geekiness. Press play to better understand the mechanisms at play in exercise, including glucose and metabolism, and how important exercise is as a good stress protocol.

Humans are dependent on sunlight in so many ways. Without sunlight, there would be no photosynthesis and, subsequently, as heterotrophs, humans would starve without the ability to eat plans or the animals that eat plants. But our relationship with light has many subtler but equally important shades which we will explore today.

Every day the attention economy competes for our focus. It’s important – vital, even – to reach for practices that return us to our breath and body, reduce stress and overwhelm, and cultivate greater presence.

Unflappable positivity emerges from living calmly and steadily and being undisturbed by fear or offense. This is your physiological immune system. Today, Jeff shares his personal experience with hate-mail and unpacks how he was able to build up his tolerance for disagreement and discomfort in order to cultivate compassion and curiosity in lieu of hurt and anger.

Stressed plants – known as xenohormetics – confer benefits when consumed co-evolved with their environment. This phenomenon serves as a remarkable example of nature’s fundamental interconnection and yearning for balance.

Our modern culture is peppered with the trapdoors of loneliness, which can be as detrimental to our health as smoking or alcoholism is. We need to treat social fitness like cardiovascular fitness and actively engage in the activities that foster greater connection.

Most of us sit for longer than eight hours a day–making our sedentary lifestyle a dangerous health risk. It’s time to stand up for yourself! And while you’re up, ditch the kicks and learn the many benefits of rewilding your feet.