@drleewarren: Stop waiting to live your own life! The best time to plant a tree was 20 years ago. The second best time is right now. And hear this: the most ready you will ever be is this moment. Every day you wait, you hand your brain another reason to stay still. But every day you begin, you start building a different life. That's Self-Brain Surgery. Your mind decides. Your brain follows. "Forget the former things; do not dwell on the past. See, I am doing a new thing." Isaiah 43:18-19 Save this for the day that lie gets loud, and send it to someone who thinks their window closed. Follow for daily neuroscience and faith connections to maximize your own life. Click the link in my bio to learn more.

Dr. Lee Warren | Neurosurgeon
Dr. Lee Warren | Neurosurgeon
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Region: US
Monday 26 October 2026 16:41:02 GMT
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monikadalbotgshwu1
Nilima :
i genuinely wish i read The Abandoned Laws of Life by O. Carter earlier
2026-10-27 11:11:26
208
melissa.renner4
Melissa :
Having a hard time with this. I’m 58 and disabled with a chronic genetic condition that we finally figured out what it is after almost 20 years of symptoms. I’m trying to find ways to be positive.
2026-10-26 22:28:53
5
appleuser88688299
Wait!,,What? :
Love this guy. Some days we need to reinforcement from a positive attitude. This is your man.
2026-10-26 16:52:03
50
tinaposton1
Tina Poston :
Beautiful 🙏thank you so much
2026-10-28 09:51:16
2
judebeautyandlifestyle
judebeautyandlifestyle :
Amen! Great message, thank you for sharing ❤️
2026-10-27 20:00:23
3
lisamrobinsonsaue
Lisa M :
Amen. not to old, not to late. Thank You Lord Jesus
2026-10-27 20:02:06
2
www.tiktok.comluthergra4
www.tiktok.comluthergra4 :
Dr Lee, good afternoon from Boston, Massachusetts. I hope all is well with you Dr. I am doing much much much better thanks to you. Keep up the great work. God is watching.
2026-10-26 19:37:30
6
marshall.651
𝙈𝙖𝙧𝙨𝙝𝙖𝙡𝙡 :
I needed to hear this 🙌🏼. Thank you
2026-10-26 17:26:29
8
3carolyn
carabella3 :
I needed to hear this
2026-10-28 14:43:52
1
ronnaharnessbarbe
Ronna H Barber aka Mrs. G :
Thank you Sir !
2026-10-27 16:15:26
2
stephaniebulone44
Stephanie|Creator|TikTokFinds :
I needed to hear this today! Thank you Dr. Warren.
2026-10-26 18:11:30
12
silvanatalevska
Silvana Talevska :
I’m still here healing my head injury 🤕 from Friday, October 16th, but going to go to my guitar lesson tonight and see how that goes. The pressure in my head and eyes feels better today.
2026-10-26 23:14:24
7
maryhernandez9483
Peace and Love :
Okay! That's what I needed to hear I'm going to start working out 🙏💙🙏
2026-10-27 16:35:24
3
dumbbell1977
dumbbell1977 :
Thanks Dr Lee. Enjoy your message every time one comes across ✌️
2026-10-27 13:53:21
3
stephclunn1
Steph Clunn :
I love you so much! God bless you!
2026-10-26 19:12:38
7
user5767877617814
caelos :
Thank you
2026-10-28 03:05:33
2
mcarbonenmrealtor
Marissa Carbone | NM REALTOR® :
Love your content! 🙏🏼♥️
2026-10-27 13:11:54
3
vickibeckley0
vicki :
love this
2026-10-27 13:16:15
2
angelarxer
user3849548510469 :
Thank you.
2026-10-27 14:06:14
2
shondamillermorgan
Shonda Miller Morgan :
Amen!!
2026-10-27 10:39:50
1
butterscott42
butterscott42 :
Love the ties to Scripture
2026-10-28 10:42:31
1
lindo5465
lindo :
Thank you Dr. I really needed to hear this as I am embarking on a journey to change my life and battling with the thoughts of it beeing too late.
2026-10-27 15:45:24
2
vectress7
VECTRESS :
sooo thrilled to start your book! God bless 🙏🏻🙌🏻💜
2026-10-27 02:26:53
2
mrnewyork78
MrNewYork :
New Thing! Awesome Doc!😎💯
2026-10-27 14:18:32
2
user3941885641745
anthony cali :
Amen thank you friend✌️✌️
2026-10-26 21:39:54
2
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Other Videos

Heart rate variability, or HRV, is the tiny variation in time between heartbeats. It can offer insight into how your body is responding to sleep, stress, training, alcohol, illness, and nutrition. It’s not a perfect score, but it can be a useful trend to compare with your Cronometer data. A healthy heart does not beat like a metronome; it constantly adjusts. HRV is often used as a window into the autonomic nervous system, which helps regulate “fight-or-flight” and “rest-and-digest” responses. A good HRV is personal to you and your baseline. The most useful comparison is not your HRV versus someone else’s. It’s your HRV today versus your own normal range over time. Context matters: device, timing, posture, sleep, caffeine, alcohol, food, and measurement method can all affect readings. Heart rate and HRV are driven mostly by fitness, sleep, stress, illness, training load, age, and, for women, menstrual cycle phase. HRV often makes the most sense in context. For example, if you do a big 25 km run, your HRV may drop because your body is under recovery stress. If you sleep, refuel, and recover well, it may move back toward your usual range. Alcohol is one of the clearest lifestyle patterns in wearable data. Studies have linked alcohol intake with lower overnight HRV, higher resting heart rate, shorter sleep, and lower next-day activity. Your body may also show signs before you feel them. Illness is a physiological stressor, and HRV may drop before or during sickness. A sudden HRV dip may be more meaningful when paired with higher resting heart rate, worse sleep, higher temperature, or changes in respiratory rate. Training stress shows up too. A lower HRV after a tough workout is not always a bad thing. It can be a normal recovery response. But if HRV stays low over time, especially with fatigue, soreness, poor sleep, or declining performance, it may be a sign to prioritize recovery. Nutrition can influence HRV, but it is usually one part of a bigger picture. Sleep, stress, fitness, illness, training load, alcohol, age, and individual physiology are usually bigger drivers. Research on micronutrients and HRV is promising but still mixed, so it’s best to look for personal patterns rather than assume one nutrient is “fixing” HRV. In Cronometer, try comparing HRV with your nutrition to help identify trends. Not medical advice. Speak with a healthcare professional for individualized guidance.
Heart rate variability, or HRV, is the tiny variation in time between heartbeats. It can offer insight into how your body is responding to sleep, stress, training, alcohol, illness, and nutrition. It’s not a perfect score, but it can be a useful trend to compare with your Cronometer data. A healthy heart does not beat like a metronome; it constantly adjusts. HRV is often used as a window into the autonomic nervous system, which helps regulate “fight-or-flight” and “rest-and-digest” responses. A good HRV is personal to you and your baseline. The most useful comparison is not your HRV versus someone else’s. It’s your HRV today versus your own normal range over time. Context matters: device, timing, posture, sleep, caffeine, alcohol, food, and measurement method can all affect readings. Heart rate and HRV are driven mostly by fitness, sleep, stress, illness, training load, age, and, for women, menstrual cycle phase. HRV often makes the most sense in context. For example, if you do a big 25 km run, your HRV may drop because your body is under recovery stress. If you sleep, refuel, and recover well, it may move back toward your usual range. Alcohol is one of the clearest lifestyle patterns in wearable data. Studies have linked alcohol intake with lower overnight HRV, higher resting heart rate, shorter sleep, and lower next-day activity. Your body may also show signs before you feel them. Illness is a physiological stressor, and HRV may drop before or during sickness. A sudden HRV dip may be more meaningful when paired with higher resting heart rate, worse sleep, higher temperature, or changes in respiratory rate. Training stress shows up too. A lower HRV after a tough workout is not always a bad thing. It can be a normal recovery response. But if HRV stays low over time, especially with fatigue, soreness, poor sleep, or declining performance, it may be a sign to prioritize recovery. Nutrition can influence HRV, but it is usually one part of a bigger picture. Sleep, stress, fitness, illness, training load, alcohol, age, and individual physiology are usually bigger drivers. Research on micronutrients and HRV is promising but still mixed, so it’s best to look for personal patterns rather than assume one nutrient is “fixing” HRV. In Cronometer, try comparing HRV with your nutrition to help identify trends. Not medical advice. Speak with a healthcare professional for individualized guidance.

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