Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have trouble doing normal day-to-day activities, and sometimes you may feel as if life isn't worth living.
Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure. Blood pressure categories include normal blood pressure, defined as a systolic pressure less than 120, and a diastolic pressure less than 80. Elevated blood pressure is defined as a systolic pressure 120 to 129, and a diastolic pressure less than 80.
African Greys are one of the most popular pet parrots. They are very intelligent birds. They have the ability to imitate human speech and just about any other sound they choose. The amazing thing is ...
New Scientist: Watch parrots use their beaks for a newly identified form of motion
Parrots can work their way along branches by using their beaks to swing their body – a newly identified form of avian motion that has been dubbed “beakiation”. Parrots have a few ways of getting ...
Watch parrots use their beaks for a newly identified form of motion
Los Angeles Times: There’s Owning a Bird and Then There’s Owning a Parrot. Here’s What You Need to Know.
There’s Owning a Bird and Then There’s Owning a Parrot. Here’s What You Need to Know.
A Beginners Guide is a guide for beginners, and it could also be called a a Beginners' Guide, if you like apostrophes. Call it a Beginner's Guide and it's a guide for one beginner: if there were several beginners then they would each need one of such a guide. Now this class is for beginners.