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15. Physical and Mental Well-Being Fuel Everything Else

· 5 min read

Your time and energy are your most valuable, self-renewing assets. Protect them to sustain an energetic and fulfilling life.

Physical and Mental Well-Being

15.1 Make Personal Well-Being a Checklist Priority

Self-care often gets overlooked amid external demands. Combat this by incorporating health habits into a daily or weekly checklist. A checklist offers:

  • Continuous improvement: Track and adapt as your mental and physical state evolves.
  • Proactive health management: Catch minor issues early to prevent chronic conditions.
  • Cognitive ease: Reduce decision fatigue by automating routine care.

For example, treating a daily walk as a checklist item ensures you move regularly, easing your mind into or out of “work mode.”

15.2 Exercise Intentionally Across Five Key Areas

Not all exercise is created equal. Each type serves specific needs for your body. Below is a breakdown of the five primary categories and their benefits:

CategoryExamplesKey Benefits
MIIT (Moderate-Intensity Interval Training)Jogging, cycling, rowing at moderate pacesImproves cardiovascular health; enhances stamina; joint-friendly.
HIIT (High-Intensity Interval Training)Sprints, burpees, Tabata workoutsMaximizes calorie burn; boosts metabolism; time-efficient.
Strength TrainingFree weights, resistance bands, bodyweight exercisesBuilds muscle and bone density; enhances functional fitness.
Balance TrainingSingle-leg stands, yoga poses, Tai ChiImproves coordination; prevents falls; strengthens core stability.
Flexibility ExercisesStatic/dynamic stretches, yoga, foam rollingIncreases range of motion; reduces tension; aids recovery.

Craft a routine that integrates these elements for comprehensive fitness.

15.3 Prioritize Sleep and Nutrition

Sleep

Quality sleep underpins productivity and health. Protect your circadian rhythm with these strategies:

  • Morning light exposure: Spend 20–30 minutes outdoors or use a light therapy box (10,000 Lux) on cloudy days.
  • Limit blue light at night: Reduce screen time and establish a calming bedtime routine.
  • Stick to a schedule: Align wake-up and sleep times for optimal recovery. A person can maintain about 14–16 hours of “relatively efficient wakefulness,” so if you plan to go to bed at midnight, it’s best to get up before 8 a.m.

Nutrition

Adopt a balanced diet aligned with dietary guidelines, emphasizing:

  1. Diverse vegetables (dark greens, red/orange, starchy, legumes).
  2. Whole fruits.
  3. Whole grains over refined grains.
  4. Lean proteins (poultry, seafood, nuts, legumes).
  5. Healthy fats (e.g., Omega-3s).

Avoid high-glycemic foods and consider supplements for critical vitamins and minerals, which are critical to energy level and moods. For timing, practices like 16:8 intermittent fasting can enhance energy and focus.

15.4 Practice Mindfulness or Meditation to Manage Stress

Mindfulness is about being fully present in the moment, observing without judgment. It:

  • Heightens awareness of emotions and thoughts.
  • Reduces stress by focusing attention on the now.
  • Sharpens clarity and concentration.
  • Improves overall well-being.

Mindfulness can extend beyond meditation into daily activities—whether walking, eating, or working—by fostering deliberate attention.

15.5 Take Breaks to Recharge

Recovery is not optional—you either plan it deliberately or face burnout. Regular breaks restore energy, improve focus, and sustain high performance.

Recovery Principles:

  • Schedule recovery like work: Plan breaks as intentionally as you plan tasks.
  • Match recovery to stress type: Different stresses require different breaks—physical, emotional, or creative.
  • Use varied recovery methods: Combine short breaks (like a walk or quick stretch) with longer recovery periods.

Implementation:

  • Adopt the 52/17 rhythm: Work for 52 minutes, then rest for 17.
  • Protect weekends: Use weekends to disconnect and rejuvenate.
  • Plan quarterly resets: Schedule deep recovery periods to recharge and reflect.

15.6 Create Spaces People Love

Your environment has a profound impact on your behavior, often outweighing willpower. Optimizing your spaces can make good habits easier and bad habits harder.

Implementation:

  • Optimize workspaces for focus: Ensure good lighting, ergonomic furniture, and minimal distractions.
  • Designate areas for different activities: Create separate zones for focused work, relaxation, and creative thinking.
  • Reduce friction for positive habits: Keep tools for productive tasks accessible (e.g., a journal or fitness gear).
  • Increase friction for negative habits: Add barriers to distractions, like keeping your phone in another room.

15.7 Navigate Brain States Intentionally

Your brain operates in three primary states, each suited for specific tasks. Success depends on recognizing these states and transitioning between them effectively.

The Three States:

  1. Relaxed: Ideal for creativity, reflection, and strategic thinking.
  2. Working: Best for focused execution and problem-solving.
  3. Overheated: A counterproductive state where stress reduces effectiveness.

Implementation:

  • Learn your state indicators: Recognize when you’re entering each state (e.g., mental clarity vs. fatigue).
  • Match tasks to states: Reserve deep focus tasks for the working state and creative tasks for the relaxed state.
  • Develop transition rituals: Use activities like a short walk or a breathing exercise to move between states.
  • Avoid overheating: Take breaks when stress builds to prevent burnout.

How not to die?

· 5 min read

Eating in the right way can significantly influence your health. Heard various advice from different sources, you may have difficulties to tell which one is the most helpful. The book "How Not to Die" provided eight practical suggestions backed up by scientific researches to help you establish a healthy diet.

Adopting a plant-based diet

The plant-based diet has been proven to have a much positive result on health than other foods we have in the US society. A China-Cornell-Oxford research project studied the menu of Chinese people in the 1980s. They found the Guizhou Province has the lowest mortality rate of coronary disease among men under 65, where people consumed the least animal-based food.

Additionally, plant-based diets can facilitate the patient's recovery. Lifestyle-medical pioneers Nathan Pritikin and Dean Ornish put patients with advanced heart disease on plant-based diets, and then they witnessed significant improvements in alleviating their symptoms. For example, the harmful plaque in patients' arteries dissolved faster than usual.

Having more fruits, especially berries

Four servings of fruit, including one type of berries, per day, is essential in a healthy diet. A single extra serving of fruit each day has proven to result in a 24-percent decline in the possibility of having Chronic Obstructive Pulmonary Disease. Notably, berries are particularly crucial due to their positive influence on liver function, cancer-resistance, and immune system. In 2014, a study taken among 14 patients revealed that their polyp load declined remarkably after nine months of having black raspberries.

Vegetables are indispensable

Vegetables play a vital role in preventing diseases. Known as "queen of greens", kale can reduce people's cholesterol levels. In a three-month study taken in 2008, high-cholesterol-level patients were asked to take three to four shots of kale juice every day. The proportion of beneficial cholesterol increased significantly, which was equal to the effect of running for 300 miles. Also, cruciferous vegetables help boost liver and lung functions.

Thus it is advised that two of the five daily servings should be leafy veggies (e.g., kale, arugula, and chard). Another two could be carrots, beets, or mushrooms. And finally, one serving of cruciferous vegetables like broccoli, cabbage, or cauliflower.

Recommending beans and whole grains for every meal

It is recommended by the American Institute for Cancer Research that beans or legumes should be included in every meal since they contain an animal-free protein as well as fibers. Navy and pinto beans can also be a good alternative to decrease bad cholesterol for people who don't like soy much. They can also function in slowing down sugar absorption and relaxing stomach. Similar to beans, people should also take whole grains three times daily. In 2015, research found that people who involve whole grains in diets live longer.

Taking more nuts and seeds for better nutrition

The Global Burden of Disease Study conducted between 1990 and 2010 found that eating too few seeds and nuts were the third-leading dietary cause for death and disability all over the world. Even a single serving of brazil nuts is equivalent to statins medicine in lowering cholesterol levels. Nuts and seeds facilitate the detoxification of excess iron. They can also build up bone density. Among all the seeds, chia, hemp, pumpkin, sesame, and sunflower seeds are recommended. It is an excellent alternative to sauces and dressings of your daily meals.

Placing herbs and spices in food

Not only can herbs and spices add flavor to a dish, but they are also essential in preventing diseases, especially cancer. Among all the food groups, they have the highest levels of antioxidants. In a study taken in 2010, Alzheimer participants who took saffron received better cognitive function outcomes than those who had a placebo. Additionally, spices like cloves and cinnamon can reduce depression because of an enzyme inhibited in them.

It is worth mentioning that turmeric is proven to be the best in preventing cancers among all the herbs and spices. Due to the fact that turmeric disappears rapidly, having it with black pepper can slow down the process and help absorption. Curry powder is a decent choice since it usually contains both pepper and turmeric. However, turmeric isn't for everybody. People with gallstones and kidney stones should restrict their intake.

Making water your first choice of beverages

Theoretically, a human should drink five 12-ounce beverages every day, and pure water is always the best choice. It is claimed by many articles that drinking eight glasses of water per day is a must, yet there is barely scientific evidence on that. Our daily intake of water comes from not only beverages but also fruits and vegetables.

In addition to water, coffee and tea can also be a good alternative since they are all good for health to some extent. For instance, research conducted by Tufts University revealed that tea functioned significantly in dropping blood pressure.

US Navy Pre-Flight School: How to fall asleep in 120 seconds?

· One min read

Why fall sleep fast?

In the battle ground, if you don’t sleep, you’ll burn out pretty quickly. You’ll make bad decisions. You’ll let people down and become a liability.

How to fall asleep in 120 seconds?

Principle: Relax the whole body one part by another and don’t think.

  1. Stretch out
  2. ==Relax face muscles and slow down everything==
  3. Relax upper body
    1. Let shoulders drop as low as they can
    2. Breathe in deeply. Then exhale slowly, blowing out all of the tension
    3. Relax arms. If it’s not relaxing, tense it first, then let it go loose
    4. Relax fore arm
    5. Relax hand
  4. Relax legs
  5. Not think about anything
    1. keep your mind still. You can do this by holding a static image in your head
    2. If that doesn’t work, say the words “don’t think… don’t think… don’t think” over and over for at least 10 second

U.S. Navy Method: How to Fall Asleep in 120 Seconds?

· One min read

Why Fall Asleep Quickly?

On the battlefield, if you don't sleep, you will quickly feel exhausted, make wrong decisions, feel burdened by your mission, and become a liability.

How to Do It?

Principle: Gradually relax your entire body, avoiding thoughts.

  1. Stretch your body
  2. Relax your facial muscles, slow everything down
  3. Relax your upper body
    1. Lower your shoulders as much as possible
    2. Take a deep breath, then exhale slowly, releasing all tension
    3. Relax your arms. If they are not relaxed enough, tense them first, then let them relax
    4. Relax your forearms
    5. Relax your hands
  4. Relax your legs
  5. Think of nothing at all
    1. Keep your mind calm. You can do this by holding a still image in your mind
    2. If that doesn't work, keep saying "don't think... don't think... don't think" for at least 10 seconds