Can you please recommend some effective relaxation / stress management techniques?

Breathing: Many good books/sites exist. All will include certain components like correct breathing. The exhale is the part we often get most wrong. It is really good to completely empty the lungs to remove the "old" stuff and make room for refreshing new oxygen. 1 or 2 deep out-breaths - even a big groan or shout helps - then, up to 10 cycles of 4 secs nasal inhale, 7 hold-in & 8 full, slow pursed lip outs.

Relaxationfor Stress: Relaxation / Stress Management: Put your hands on both sides of the ches,t Feel Blessings of 3 Million Air Sacs in your lungs due to which you have Breath of Life every 4 seconds for38 years. • Focus on “Breath Is Life” • Keep saying until you run out of breath. • Take another deep breath and repeat the same. • Do it with 10 Breaths • Other thoughts will pass away like clouds on the mountain