Yes. Definitely. So called Christianity will
In fact, it is dying, but it will kick the bucket in one swift go... along with all the other religious bodies. Revelation 18:21 ...that is, all religion not approved by God.
To many, that may sound harsh, but reality oftentimes is harsh. It does not need to be, if we are willing to make adjustments though. James 1:27
James 4:4; Revelation 18:4
What I find, is helping people, is not so much, religion, but the Bible. The Gospels, as well as the writings of the apostles, the Psalms, the words of Solomon - Wise saying in Proverbs, and examples of God's dealings in the past.
The ring of truth, is what affects people's hearts, and emotions.
Along with that, God is the hearer of prayers - Psalms 65:2, and does respond to those calling upon him in trueness. Psalm 145:18
The word of God, is alive, and exerts power, and is sharper than any two edged sword, and is pierces even to the dividing of soul and spirit, and of joints from the marrow, and is able to discern thoughts and intentions of the heart - Hebrews 4:12
It also gives comfort, that is from God - 2 Corinthians 1:3-4, because all scripture is inspired by God - 2 Timothy 3:16. It is God breathed. 2 Peter 1:21
That's why people like that Marine, do get some relief.
The real benefits come in staying the course - not deviating, but enduring to the end. Matthew 24:13