1. Open the Phone or Contacts app: 2. Select a contact, then tap the Share Contact button toward the bottom of the screen: 3. Select Mail or Message (text message): 4. Choose your recipient(s), then tap Send: 5. When your recipient receives the vCard, it will look something like this: Now all the recipient has to do, if on an iPhone, is tap the card to add all the contactâs details to their iPhone as well.
A typical person will lose minimally two to maximally four liters of water per day under ordinary conditions, and more in hot, dry, or cold weather. Four to six liters of water or other liquids are generally required each day in the wilderness to avoid dehydration and to keep the body functioning properly.
The Harvard Health Letter published new water recommendations challenging the long-standing eight 8-ounce glasses-a-day rule, which they say werenât based on science, but instead an educated guess on what the body needs to stay hydrated.